/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:52:32,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:52:32,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:52:32,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:52:32,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:52:32,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:52:32,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:52:32,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:52:32,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:52:32,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:52:32,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:52:32,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:52:32,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:52:32,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:52:32,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:52:32,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:52:32,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:52:32,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:52:32,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:52:32,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:52:32,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:52:32,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:52:32,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:52:32,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:52:32,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 14:52:32,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 14:52:32,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 14:52:32,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 14:52:32,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 14:52:32,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 14:52:32,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:52:32,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:52:32,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:52:32,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:52:32,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:52:32,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:52:32,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:52:32,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:52:32,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:52:32,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:52:32,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:52:32,230 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-RepeatedSemanticLbe.epf [2021-03-25 14:52:32,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:52:32,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:52:32,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:52:32,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:52:32,265 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:52:32,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:52:32,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:52:32,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:52:32,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:52:32,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:52:32,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:52:32,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:52:32,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:52:32,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:52:32,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:52:32,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:52:32,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:52:32,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:52:32,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:52:32,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:52:32,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:52:32,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:52:32,546 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:52:32,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i [2021-03-25 14:52:32,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771f704a0/acb5c79c9b5e4e089d3eed5b115d1e05/FLAG89ab20841 [2021-03-25 14:52:33,042 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:52:33,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i [2021-03-25 14:52:33,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771f704a0/acb5c79c9b5e4e089d3eed5b115d1e05/FLAG89ab20841 [2021-03-25 14:52:33,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771f704a0/acb5c79c9b5e4e089d3eed5b115d1e05 [2021-03-25 14:52:33,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:52:33,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:52:33,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:52:33,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:52:33,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:52:33,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cebd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33, skipping insertion in model container [2021-03-25 14:52:33,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:52:33,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:52:33,536 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/safe011_power.oepc.i[952,965] [2021-03-25 14:52:33,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:52:33,749 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:52:33,757 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/safe011_power.oepc.i[952,965] [2021-03-25 14:52:33,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:52:33,816 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:52:33,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33 WrapperNode [2021-03-25 14:52:33,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:52:33,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:52:33,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:52:33,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:52:33,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:52:33,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:52:33,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:52:33,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:52:33,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (1/1) ... [2021-03-25 14:52:33,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:52:33,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:52:33,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:52:33,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:52:33,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (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 [2021-03-25 14:52:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:52:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:52:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:52:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:52:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:52:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:52:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:52:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:52:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:52:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:52:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:52:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:52:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:52:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:52:33,943 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:52:35,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:52:35,332 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:52:35,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:52:35 BoogieIcfgContainer [2021-03-25 14:52:35,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:52:35,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:52:35,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:52:35,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:52:35,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:52:33" (1/3) ... [2021-03-25 14:52:35,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8308ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:52:35, skipping insertion in model container [2021-03-25 14:52:35,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:52:33" (2/3) ... [2021-03-25 14:52:35,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8308ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:52:35, skipping insertion in model container [2021-03-25 14:52:35,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:52:35" (3/3) ... [2021-03-25 14:52:35,339 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_power.oepc.i [2021-03-25 14:52:35,344 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:52:35,348 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:52:35,349 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:52:35,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,385 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,385 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,387 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,390 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:52:35,392 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:52:35,406 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 14:52:35,421 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:52:35,421 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:52:35,421 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:52:35,421 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:52:35,421 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:52:35,421 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:52:35,421 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:52:35,421 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:52:35,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-03-25 14:52:35,453 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-25 14:52:35,453 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:35,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-25 14:52:35,457 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-03-25 14:52:35,460 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-03-25 14:52:35,462 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:35,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-25 14:52:35,473 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-25 14:52:35,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-03-25 14:52:35,487 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-25 14:52:35,487 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:35,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-25 14:52:35,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 1694 [2021-03-25 14:52:36,943 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-03-25 14:52:37,221 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-03-25 14:52:38,623 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-03-25 14:52:39,243 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-03-25 14:52:39,476 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:52:39,789 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 14:52:40,737 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 14:52:41,012 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 14:52:41,584 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:52:42,235 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:52:42,480 INFO L154 LiptonReduction]: Checked pairs total: 3065 [2021-03-25 14:52:42,480 INFO L156 LiptonReduction]: Total number of compositions: 64 [2021-03-25 14:52:42,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7021 [2021-03-25 14:52:42,488 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-25 14:52:42,489 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:42,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:42,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:42,490 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:42,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:42,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1571617397, now seen corresponding path program 1 times [2021-03-25 14:52:42,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:42,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130686256] [2021-03-25 14:52:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:42,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:52:42,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:42,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:42,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130686256] [2021-03-25 14:52:42,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:42,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:52:42,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221200729] [2021-03-25 14:52:42,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:52:42,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:42,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:52:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:52:42,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 161 [2021-03-25 14:52:42,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2021-03-25 14:52:42,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:42,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 161 [2021-03-25 14:52:42,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:42,848 INFO L129 PetriNetUnfolder]: 69/200 cut-off events. [2021-03-25 14:52:42,848 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:42,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 200 events. 69/200 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 953 event pairs, 54 based on Foata normal form. 11/193 useless extension candidates. Maximal degree in co-relation 309. Up to 89 conditions per place. [2021-03-25 14:52:42,851 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 9 selfloop transitions, 2 changer transitions 5/41 dead transitions. [2021-03-25 14:52:42,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 117 flow [2021-03-25 14:52:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:52:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:52:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2021-03-25 14:52:42,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8964803312629399 [2021-03-25 14:52:42,867 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 433 transitions. [2021-03-25 14:52:42,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 433 transitions. [2021-03-25 14:52:42,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:42,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 433 transitions. [2021-03-25 14:52:42,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2021-03-25 14:52:42,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2021-03-25 14:52:42,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2021-03-25 14:52:42,891 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 87 flow. Second operand 3 states and 433 transitions. [2021-03-25 14:52:42,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 117 flow [2021-03-25 14:52:42,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 114 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:52:42,895 INFO L241 Difference]: Finished difference. Result has 45 places, 32 transitions, 74 flow [2021-03-25 14:52:42,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=45, PETRI_TRANSITIONS=32} [2021-03-25 14:52:42,898 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2021-03-25 14:52:42,898 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:42,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 32 transitions, 74 flow [2021-03-25 14:52:42,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 32 transitions, 74 flow [2021-03-25 14:52:42,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 74 flow [2021-03-25 14:52:42,903 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-25 14:52:42,903 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:42,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:52:42,904 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-25 14:52:43,420 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:52:43,696 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:52:44,854 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2021-03-25 14:52:45,419 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:52:45,769 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-25 14:52:45,940 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-25 14:52:45,990 INFO L154 LiptonReduction]: Checked pairs total: 942 [2021-03-25 14:52:45,991 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 14:52:45,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3093 [2021-03-25 14:52:45,991 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-03-25 14:52:45,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2021-03-25 14:52:45,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:45,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:45,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:52:45,992 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:45,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:45,993 INFO L82 PathProgramCache]: Analyzing trace with hash -72729481, now seen corresponding path program 1 times [2021-03-25 14:52:45,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:45,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914855540] [2021-03-25 14:52:45,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:46,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:46,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:52:46,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:46,069 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:52:46,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:52:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:46,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914855540] [2021-03-25 14:52:46,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:46,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:52:46,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430380210] [2021-03-25 14:52:46,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:52:46,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:46,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:52:46,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:52:46,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 169 [2021-03-25 14:52:46,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 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) [2021-03-25 14:52:46,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:46,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 169 [2021-03-25 14:52:46,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:46,088 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-25 14:52:46,088 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:46,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:52:46,088 INFO L132 encePairwiseOnDemand]: 166/169 looper letters, 1 selfloop transitions, 2 changer transitions 1/24 dead transitions. [2021-03-25 14:52:46,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 24 transitions, 64 flow [2021-03-25 14:52:46,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:52:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:52:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2021-03-25 14:52:46,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2021-03-25 14:52:46,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2021-03-25 14:52:46,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2021-03-25 14:52:46,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:46,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2021-03-25 14:52:46,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2021-03-25 14:52:46,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 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) [2021-03-25 14:52:46,092 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 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) [2021-03-25 14:52:46,092 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 3 states and 442 transitions. [2021-03-25 14:52:46,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 24 transitions, 64 flow [2021-03-25 14:52:46,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 24 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:52:46,093 INFO L241 Difference]: Finished difference. Result has 34 places, 23 transitions, 60 flow [2021-03-25 14:52:46,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2021-03-25 14:52:46,094 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -14 predicate places. [2021-03-25 14:52:46,094 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:46,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 23 transitions, 60 flow [2021-03-25 14:52:46,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 23 transitions, 60 flow [2021-03-25 14:52:46,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 60 flow [2021-03-25 14:52:46,097 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-25 14:52:46,097 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:52:46,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:52:46,097 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-25 14:52:46,540 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-25 14:52:46,663 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-25 14:52:46,930 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-25 14:52:47,058 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-25 14:52:47,061 INFO L154 LiptonReduction]: Checked pairs total: 777 [2021-03-25 14:52:47,061 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:52:47,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 967 [2021-03-25 14:52:47,061 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-03-25 14:52:47,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 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) [2021-03-25 14:52:47,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:47,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:47,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:52:47,062 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:47,063 INFO L82 PathProgramCache]: Analyzing trace with hash -721798440, now seen corresponding path program 1 times [2021-03-25 14:52:47,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:47,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756617065] [2021-03-25 14:52:47,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:47,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:47,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:47,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756617065] [2021-03-25 14:52:47,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:47,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:52:47,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388245322] [2021-03-25 14:52:47,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:52:47,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:47,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:52:47,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:52:47,128 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 171 [2021-03-25 14:52:47,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 145.75) internal successors, (583), 4 states have internal predecessors, (583), 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) [2021-03-25 14:52:47,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:47,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 171 [2021-03-25 14:52:47,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:47,145 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 14:52:47,146 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-03-25 14:52:47,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 28 events. 0/28 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 0 based on Foata normal form. 3/31 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 14:52:47,147 INFO L132 encePairwiseOnDemand]: 167/171 looper letters, 1 selfloop transitions, 3 changer transitions 1/22 dead transitions. [2021-03-25 14:52:47,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 71 flow [2021-03-25 14:52:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:52:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:52:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 587 transitions. [2021-03-25 14:52:47,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581871345029239 [2021-03-25 14:52:47,149 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 587 transitions. [2021-03-25 14:52:47,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 587 transitions. [2021-03-25 14:52:47,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:47,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 587 transitions. [2021-03-25 14:52:47,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 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) [2021-03-25 14:52:47,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 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) [2021-03-25 14:52:47,152 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 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) [2021-03-25 14:52:47,152 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 4 states and 587 transitions. [2021-03-25 14:52:47,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 71 flow [2021-03-25 14:52:47,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 22 transitions, 65 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:52:47,153 INFO L241 Difference]: Finished difference. Result has 34 places, 21 transitions, 66 flow [2021-03-25 14:52:47,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=66, PETRI_PLACES=34, PETRI_TRANSITIONS=21} [2021-03-25 14:52:47,153 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -14 predicate places. [2021-03-25 14:52:47,153 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:47,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 21 transitions, 66 flow [2021-03-25 14:52:47,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 21 transitions, 66 flow [2021-03-25 14:52:47,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 21 transitions, 66 flow [2021-03-25 14:52:47,158 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-25 14:52:47,159 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 14:52:47,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 21 events. 0/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:52:47,159 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-25 14:52:47,183 INFO L154 LiptonReduction]: Checked pairs total: 414 [2021-03-25 14:52:47,183 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:52:47,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-25 14:52:47,186 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 20 transitions, 64 flow [2021-03-25 14:52:47,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.75) internal successors, (583), 4 states have internal predecessors, (583), 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) [2021-03-25 14:52:47,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:47,187 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:47,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:52:47,187 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:47,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:47,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1884082186, now seen corresponding path program 1 times [2021-03-25 14:52:47,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:47,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525368003] [2021-03-25 14:52:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:47,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:47,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525368003] [2021-03-25 14:52:47,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:47,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:52:47,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340823438] [2021-03-25 14:52:47,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:52:47,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:47,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:52:47,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:52:47,327 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 172 [2021-03-25 14:52:47,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 20 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2021-03-25 14:52:47,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:47,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 172 [2021-03-25 14:52:47,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:47,406 INFO L129 PetriNetUnfolder]: 77/168 cut-off events. [2021-03-25 14:52:47,406 INFO L130 PetriNetUnfolder]: For 97/100 co-relation queries the response was YES. [2021-03-25 14:52:47,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 168 events. 77/168 cut-off events. For 97/100 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 665 event pairs, 59 based on Foata normal form. 2/164 useless extension candidates. Maximal degree in co-relation 351. Up to 125 conditions per place. [2021-03-25 14:52:47,413 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 9 selfloop transitions, 3 changer transitions 0/24 dead transitions. [2021-03-25 14:52:47,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 24 transitions, 96 flow [2021-03-25 14:52:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:52:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:52:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2021-03-25 14:52:47,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8042635658914729 [2021-03-25 14:52:47,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2021-03-25 14:52:47,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2021-03-25 14:52:47,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:47,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2021-03-25 14:52:47,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-03-25 14:52:47,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-03-25 14:52:47,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-03-25 14:52:47,422 INFO L185 Difference]: Start difference. First operand has 33 places, 20 transitions, 64 flow. Second operand 3 states and 415 transitions. [2021-03-25 14:52:47,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 24 transitions, 96 flow [2021-03-25 14:52:47,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 24 transitions, 84 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 14:52:47,424 INFO L241 Difference]: Finished difference. Result has 32 places, 22 transitions, 71 flow [2021-03-25 14:52:47,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=32, PETRI_TRANSITIONS=22} [2021-03-25 14:52:47,425 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -16 predicate places. [2021-03-25 14:52:47,425 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:47,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 22 transitions, 71 flow [2021-03-25 14:52:47,426 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 22 transitions, 71 flow [2021-03-25 14:52:47,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 22 transitions, 71 flow [2021-03-25 14:52:47,433 INFO L129 PetriNetUnfolder]: 3/30 cut-off events. [2021-03-25 14:52:47,433 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 14:52:47,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 30 events. 3/30 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 48. Up to 10 conditions per place. [2021-03-25 14:52:47,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 188 [2021-03-25 14:52:47,803 INFO L154 LiptonReduction]: Checked pairs total: 374 [2021-03-25 14:52:47,803 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:52:47,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 378 [2021-03-25 14:52:47,804 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 73 flow [2021-03-25 14:52:47,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2021-03-25 14:52:47,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:47,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:47,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:52:47,805 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:47,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:47,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1391961114, now seen corresponding path program 1 times [2021-03-25 14:52:47,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:47,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624230588] [2021-03-25 14:52:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:47,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:47,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:52:47,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:47,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:52:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:47,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624230588] [2021-03-25 14:52:47,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:47,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:52:47,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924306687] [2021-03-25 14:52:47,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:52:47,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:47,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:52:47,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:52:47,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 173 [2021-03-25 14:52:47,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 73 flow. Second operand has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 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) [2021-03-25 14:52:47,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:47,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 173 [2021-03-25 14:52:47,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:48,006 INFO L129 PetriNetUnfolder]: 84/174 cut-off events. [2021-03-25 14:52:48,007 INFO L130 PetriNetUnfolder]: For 62/66 co-relation queries the response was YES. [2021-03-25 14:52:48,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 174 events. 84/174 cut-off events. For 62/66 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 688 event pairs, 35 based on Foata normal form. 5/176 useless extension candidates. Maximal degree in co-relation 393. Up to 134 conditions per place. [2021-03-25 14:52:48,008 INFO L132 encePairwiseOnDemand]: 164/173 looper letters, 11 selfloop transitions, 11 changer transitions 0/34 dead transitions. [2021-03-25 14:52:48,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 34 transitions, 151 flow [2021-03-25 14:52:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:52:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:52:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 683 transitions. [2021-03-25 14:52:48,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7895953757225433 [2021-03-25 14:52:48,011 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 683 transitions. [2021-03-25 14:52:48,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 683 transitions. [2021-03-25 14:52:48,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:48,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 683 transitions. [2021-03-25 14:52:48,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.6) internal successors, (683), 5 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) [2021-03-25 14:52:48,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 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) [2021-03-25 14:52:48,014 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 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) [2021-03-25 14:52:48,014 INFO L185 Difference]: Start difference. First operand has 32 places, 22 transitions, 73 flow. Second operand 5 states and 683 transitions. [2021-03-25 14:52:48,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 34 transitions, 151 flow [2021-03-25 14:52:48,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 34 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:52:48,016 INFO L241 Difference]: Finished difference. Result has 38 places, 32 transitions, 151 flow [2021-03-25 14:52:48,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2021-03-25 14:52:48,016 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -10 predicate places. [2021-03-25 14:52:48,017 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:48,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 32 transitions, 151 flow [2021-03-25 14:52:48,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 32 transitions, 151 flow [2021-03-25 14:52:48,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 32 transitions, 151 flow [2021-03-25 14:52:48,031 INFO L129 PetriNetUnfolder]: 27/112 cut-off events. [2021-03-25 14:52:48,031 INFO L130 PetriNetUnfolder]: For 104/106 co-relation queries the response was YES. [2021-03-25 14:52:48,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 112 events. 27/112 cut-off events. For 104/106 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 506 event pairs, 7 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 264. Up to 38 conditions per place. [2021-03-25 14:52:48,032 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-25 14:52:48,060 INFO L154 LiptonReduction]: Checked pairs total: 271 [2021-03-25 14:52:48,061 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:52:48,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-25 14:52:48,061 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 153 flow [2021-03-25 14:52:48,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 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) [2021-03-25 14:52:48,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:48,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:48,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:52:48,065 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:48,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:48,066 INFO L82 PathProgramCache]: Analyzing trace with hash 510605610, now seen corresponding path program 1 times [2021-03-25 14:52:48,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:48,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334394037] [2021-03-25 14:52:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:48,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:52:48,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:52:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:48,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334394037] [2021-03-25 14:52:48,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:48,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:52:48,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102642861] [2021-03-25 14:52:48,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:52:48,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:48,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:52:48,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:52:48,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 174 [2021-03-25 14:52:48,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 153 flow. Second operand has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 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) [2021-03-25 14:52:48,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:48,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 174 [2021-03-25 14:52:48,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:48,236 INFO L129 PetriNetUnfolder]: 81/171 cut-off events. [2021-03-25 14:52:48,236 INFO L130 PetriNetUnfolder]: For 256/288 co-relation queries the response was YES. [2021-03-25 14:52:48,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 171 events. 81/171 cut-off events. For 256/288 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 686 event pairs, 20 based on Foata normal form. 14/182 useless extension candidates. Maximal degree in co-relation 522. Up to 110 conditions per place. [2021-03-25 14:52:48,238 INFO L132 encePairwiseOnDemand]: 167/174 looper letters, 17 selfloop transitions, 10 changer transitions 0/39 dead transitions. [2021-03-25 14:52:48,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 39 transitions, 235 flow [2021-03-25 14:52:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:52:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:52:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 547 transitions. [2021-03-25 14:52:48,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7859195402298851 [2021-03-25 14:52:48,240 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 547 transitions. [2021-03-25 14:52:48,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 547 transitions. [2021-03-25 14:52:48,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:48,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 547 transitions. [2021-03-25 14:52:48,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 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) [2021-03-25 14:52:48,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 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) [2021-03-25 14:52:48,243 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 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) [2021-03-25 14:52:48,243 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 153 flow. Second operand 4 states and 547 transitions. [2021-03-25 14:52:48,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 39 transitions, 235 flow [2021-03-25 14:52:48,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 233 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 14:52:48,247 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 212 flow [2021-03-25 14:52:48,247 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-03-25 14:52:48,248 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -5 predicate places. [2021-03-25 14:52:48,248 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:48,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 212 flow [2021-03-25 14:52:48,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 212 flow [2021-03-25 14:52:48,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 212 flow [2021-03-25 14:52:48,265 INFO L129 PetriNetUnfolder]: 59/147 cut-off events. [2021-03-25 14:52:48,265 INFO L130 PetriNetUnfolder]: For 285/294 co-relation queries the response was YES. [2021-03-25 14:52:48,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 147 events. 59/147 cut-off events. For 285/294 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 629 event pairs, 9 based on Foata normal form. 1/137 useless extension candidates. Maximal degree in co-relation 451. Up to 73 conditions per place. [2021-03-25 14:52:48,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-25 14:52:48,277 INFO L154 LiptonReduction]: Checked pairs total: 94 [2021-03-25 14:52:48,277 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:52:48,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-25 14:52:48,282 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 212 flow [2021-03-25 14:52:48,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 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) [2021-03-25 14:52:48,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:48,282 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:48,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:52:48,282 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1351099115, now seen corresponding path program 1 times [2021-03-25 14:52:48,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:48,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987807694] [2021-03-25 14:52:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:48,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:52:48,372 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:52:48,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:52:48,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:48,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987807694] [2021-03-25 14:52:48,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:48,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:52:48,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691799017] [2021-03-25 14:52:48,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:52:48,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:48,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:52:48,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:52:48,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 174 [2021-03-25 14:52:48,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 129.83333333333334) internal successors, (779), 6 states have internal predecessors, (779), 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) [2021-03-25 14:52:48,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:48,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 174 [2021-03-25 14:52:48,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:48,479 INFO L129 PetriNetUnfolder]: 86/182 cut-off events. [2021-03-25 14:52:48,479 INFO L130 PetriNetUnfolder]: For 423/459 co-relation queries the response was YES. [2021-03-25 14:52:48,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 182 events. 86/182 cut-off events. For 423/459 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 751 event pairs, 20 based on Foata normal form. 11/190 useless extension candidates. Maximal degree in co-relation 683. Up to 112 conditions per place. [2021-03-25 14:52:48,481 INFO L132 encePairwiseOnDemand]: 166/174 looper letters, 18 selfloop transitions, 13 changer transitions 0/43 dead transitions. [2021-03-25 14:52:48,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 43 transitions, 314 flow [2021-03-25 14:52:48,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:52:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:52:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 667 transitions. [2021-03-25 14:52:48,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2021-03-25 14:52:48,483 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 667 transitions. [2021-03-25 14:52:48,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 667 transitions. [2021-03-25 14:52:48,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:48,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 667 transitions. [2021-03-25 14:52:48,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 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) [2021-03-25 14:52:48,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 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) [2021-03-25 14:52:48,485 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 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) [2021-03-25 14:52:48,485 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 212 flow. Second operand 5 states and 667 transitions. [2021-03-25 14:52:48,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 43 transitions, 314 flow [2021-03-25 14:52:48,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 43 transitions, 301 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 14:52:48,487 INFO L241 Difference]: Finished difference. Result has 47 places, 39 transitions, 253 flow [2021-03-25 14:52:48,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=253, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2021-03-25 14:52:48,487 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2021-03-25 14:52:48,487 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:48,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 39 transitions, 253 flow [2021-03-25 14:52:48,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 39 transitions, 253 flow [2021-03-25 14:52:48,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions, 253 flow [2021-03-25 14:52:48,504 INFO L129 PetriNetUnfolder]: 74/170 cut-off events. [2021-03-25 14:52:48,504 INFO L130 PetriNetUnfolder]: For 604/620 co-relation queries the response was YES. [2021-03-25 14:52:48,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 170 events. 74/170 cut-off events. For 604/620 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 757 event pairs, 15 based on Foata normal form. 1/158 useless extension candidates. Maximal degree in co-relation 625. Up to 87 conditions per place. [2021-03-25 14:52:48,506 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-25 14:52:48,510 INFO L154 LiptonReduction]: Checked pairs total: 166 [2021-03-25 14:52:48,510 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:52:48,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 14:52:48,510 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 253 flow [2021-03-25 14:52:48,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 129.83333333333334) internal successors, (779), 6 states have internal predecessors, (779), 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) [2021-03-25 14:52:48,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:48,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:48,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:52:48,511 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:48,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1456687857, now seen corresponding path program 2 times [2021-03-25 14:52:48,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:48,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635672091] [2021-03-25 14:52:48,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:48,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:52:48,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:48,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635672091] [2021-03-25 14:52:48,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:48,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:52:48,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224095013] [2021-03-25 14:52:48,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:52:48,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:48,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:52:48,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:52:48,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 174 [2021-03-25 14:52:48,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 253 flow. Second operand has 6 states, 6 states have (on average 129.83333333333334) internal successors, (779), 6 states have internal predecessors, (779), 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) [2021-03-25 14:52:48,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:48,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 174 [2021-03-25 14:52:48,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:48,667 INFO L129 PetriNetUnfolder]: 93/196 cut-off events. [2021-03-25 14:52:48,667 INFO L130 PetriNetUnfolder]: For 609/641 co-relation queries the response was YES. [2021-03-25 14:52:48,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 196 events. 93/196 cut-off events. For 609/641 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 824 event pairs, 21 based on Foata normal form. 10/203 useless extension candidates. Maximal degree in co-relation 828. Up to 123 conditions per place. [2021-03-25 14:52:48,668 INFO L132 encePairwiseOnDemand]: 166/174 looper letters, 21 selfloop transitions, 19 changer transitions 0/52 dead transitions. [2021-03-25 14:52:48,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 52 transitions, 432 flow [2021-03-25 14:52:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:52:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:52:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 667 transitions. [2021-03-25 14:52:48,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2021-03-25 14:52:48,670 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 667 transitions. [2021-03-25 14:52:48,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 667 transitions. [2021-03-25 14:52:48,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:48,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 667 transitions. [2021-03-25 14:52:48,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 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) [2021-03-25 14:52:48,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 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) [2021-03-25 14:52:48,673 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 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) [2021-03-25 14:52:48,673 INFO L185 Difference]: Start difference. First operand has 47 places, 39 transitions, 253 flow. Second operand 5 states and 667 transitions. [2021-03-25 14:52:48,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 52 transitions, 432 flow [2021-03-25 14:52:48,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 393 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 14:52:48,675 INFO L241 Difference]: Finished difference. Result has 50 places, 49 transitions, 366 flow [2021-03-25 14:52:48,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=366, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2021-03-25 14:52:48,675 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2021-03-25 14:52:48,675 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:48,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 366 flow [2021-03-25 14:52:48,676 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 366 flow [2021-03-25 14:52:48,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 366 flow [2021-03-25 14:52:48,695 INFO L129 PetriNetUnfolder]: 87/187 cut-off events. [2021-03-25 14:52:48,695 INFO L130 PetriNetUnfolder]: For 927/978 co-relation queries the response was YES. [2021-03-25 14:52:48,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 187 events. 87/187 cut-off events. For 927/978 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 810 event pairs, 14 based on Foata normal form. 2/175 useless extension candidates. Maximal degree in co-relation 830. Up to 105 conditions per place. [2021-03-25 14:52:48,697 INFO L142 LiptonReduction]: Number of co-enabled transitions 284 [2021-03-25 14:52:48,704 INFO L154 LiptonReduction]: Checked pairs total: 472 [2021-03-25 14:52:48,704 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:52:48,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-25 14:52:48,704 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 366 flow [2021-03-25 14:52:48,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 129.83333333333334) internal successors, (779), 6 states have internal predecessors, (779), 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) [2021-03-25 14:52:48,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:48,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:48,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:52:48,705 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:48,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:48,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1388386194, now seen corresponding path program 2 times [2021-03-25 14:52:48,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:48,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705960691] [2021-03-25 14:52:48,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:48,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:52:48,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:52:48,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:48,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705960691] [2021-03-25 14:52:48,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:48,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:52:48,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780830844] [2021-03-25 14:52:48,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:52:48,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:48,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:52:48,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:52:48,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 174 [2021-03-25 14:52:48,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 366 flow. Second operand has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 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) [2021-03-25 14:52:48,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:48,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 174 [2021-03-25 14:52:48,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:48,833 INFO L129 PetriNetUnfolder]: 93/195 cut-off events. [2021-03-25 14:52:48,833 INFO L130 PetriNetUnfolder]: For 860/899 co-relation queries the response was YES. [2021-03-25 14:52:48,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 195 events. 93/195 cut-off events. For 860/899 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 802 event pairs, 16 based on Foata normal form. 14/207 useless extension candidates. Maximal degree in co-relation 960. Up to 146 conditions per place. [2021-03-25 14:52:48,834 INFO L132 encePairwiseOnDemand]: 166/174 looper letters, 32 selfloop transitions, 11 changer transitions 0/55 dead transitions. [2021-03-25 14:52:48,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 506 flow [2021-03-25 14:52:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:52:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:52:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 534 transitions. [2021-03-25 14:52:48,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7672413793103449 [2021-03-25 14:52:48,836 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 534 transitions. [2021-03-25 14:52:48,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 534 transitions. [2021-03-25 14:52:48,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:48,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 534 transitions. [2021-03-25 14:52:48,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 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) [2021-03-25 14:52:48,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 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) [2021-03-25 14:52:48,839 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 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) [2021-03-25 14:52:48,839 INFO L185 Difference]: Start difference. First operand has 50 places, 49 transitions, 366 flow. Second operand 4 states and 534 transitions. [2021-03-25 14:52:48,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 506 flow [2021-03-25 14:52:48,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 467 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-03-25 14:52:48,843 INFO L241 Difference]: Finished difference. Result has 53 places, 52 transitions, 391 flow [2021-03-25 14:52:48,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=391, PETRI_PLACES=53, PETRI_TRANSITIONS=52} [2021-03-25 14:52:48,843 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2021-03-25 14:52:48,843 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:48,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 52 transitions, 391 flow [2021-03-25 14:52:48,843 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 52 transitions, 391 flow [2021-03-25 14:52:48,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 52 transitions, 391 flow [2021-03-25 14:52:48,906 INFO L129 PetriNetUnfolder]: 88/196 cut-off events. [2021-03-25 14:52:48,906 INFO L130 PetriNetUnfolder]: For 882/927 co-relation queries the response was YES. [2021-03-25 14:52:48,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 196 events. 88/196 cut-off events. For 882/927 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 890 event pairs, 9 based on Foata normal form. 5/195 useless extension candidates. Maximal degree in co-relation 841. Up to 101 conditions per place. [2021-03-25 14:52:48,908 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-25 14:52:48,916 INFO L154 LiptonReduction]: Checked pairs total: 400 [2021-03-25 14:52:48,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:52:48,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-25 14:52:48,917 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 52 transitions, 391 flow [2021-03-25 14:52:48,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 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) [2021-03-25 14:52:48,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:48,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:48,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:52:48,917 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:48,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:48,917 INFO L82 PathProgramCache]: Analyzing trace with hash -2060860009, now seen corresponding path program 1 times [2021-03-25 14:52:48,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:48,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103905580] [2021-03-25 14:52:48,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:48,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:52:49,001 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size [2021-03-25 14:52:49,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 14:52:49,027 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.9 percent of original size [2021-03-25 14:52:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 14:52:49,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:52:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:49,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103905580] [2021-03-25 14:52:49,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:49,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:52:49,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105742088] [2021-03-25 14:52:49,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:52:49,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:49,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:52:49,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:52:49,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 174 [2021-03-25 14:52:49,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 52 transitions, 391 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 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) [2021-03-25 14:52:49,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:49,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 174 [2021-03-25 14:52:49,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:49,157 INFO L129 PetriNetUnfolder]: 97/201 cut-off events. [2021-03-25 14:52:49,157 INFO L130 PetriNetUnfolder]: For 991/1053 co-relation queries the response was YES. [2021-03-25 14:52:49,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 201 events. 97/201 cut-off events. For 991/1053 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 842 event pairs, 16 based on Foata normal form. 17/216 useless extension candidates. Maximal degree in co-relation 1033. Up to 152 conditions per place. [2021-03-25 14:52:49,159 INFO L132 encePairwiseOnDemand]: 164/174 looper letters, 32 selfloop transitions, 14 changer transitions 0/58 dead transitions. [2021-03-25 14:52:49,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 58 transitions, 539 flow [2021-03-25 14:52:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:52:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:52:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 639 transitions. [2021-03-25 14:52:49,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7344827586206897 [2021-03-25 14:52:49,161 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 639 transitions. [2021-03-25 14:52:49,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 639 transitions. [2021-03-25 14:52:49,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:49,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 639 transitions. [2021-03-25 14:52:49,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 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) [2021-03-25 14:52:49,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 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) [2021-03-25 14:52:49,165 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 174.0) internal successors, (1044), 6 states have internal predecessors, (1044), 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) [2021-03-25 14:52:49,165 INFO L185 Difference]: Start difference. First operand has 53 places, 52 transitions, 391 flow. Second operand 5 states and 639 transitions. [2021-03-25 14:52:49,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 58 transitions, 539 flow [2021-03-25 14:52:49,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 58 transitions, 507 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-03-25 14:52:49,169 INFO L241 Difference]: Finished difference. Result has 57 places, 56 transitions, 449 flow [2021-03-25 14:52:49,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=449, PETRI_PLACES=57, PETRI_TRANSITIONS=56} [2021-03-25 14:52:49,169 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2021-03-25 14:52:49,169 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:49,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 56 transitions, 449 flow [2021-03-25 14:52:49,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 56 transitions, 449 flow [2021-03-25 14:52:49,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 56 transitions, 449 flow [2021-03-25 14:52:49,189 INFO L129 PetriNetUnfolder]: 90/199 cut-off events. [2021-03-25 14:52:49,189 INFO L130 PetriNetUnfolder]: For 1068/1124 co-relation queries the response was YES. [2021-03-25 14:52:49,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 199 events. 90/199 cut-off events. For 1068/1124 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 898 event pairs, 10 based on Foata normal form. 6/197 useless extension candidates. Maximal degree in co-relation 895. Up to 104 conditions per place. [2021-03-25 14:52:49,191 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-25 14:52:49,246 INFO L154 LiptonReduction]: Checked pairs total: 972 [2021-03-25 14:52:49,246 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:52:49,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-25 14:52:49,247 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 56 transitions, 453 flow [2021-03-25 14:52:49,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 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) [2021-03-25 14:52:49,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:49,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:49,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:52:49,248 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:49,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:49,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1592667115, now seen corresponding path program 1 times [2021-03-25 14:52:49,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:49,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524881212] [2021-03-25 14:52:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:49,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:52:49,312 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-25 14:52:49,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:52:49,329 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-03-25 14:52:49,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 14:52:49,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:52:49,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:52:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:49,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524881212] [2021-03-25 14:52:49,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:49,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:52:49,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866979334] [2021-03-25 14:52:49,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:52:49,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:49,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:52:49,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:52:49,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 176 [2021-03-25 14:52:49,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 56 transitions, 453 flow. Second operand has 7 states, 7 states have (on average 125.85714285714286) internal successors, (881), 7 states have internal predecessors, (881), 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) [2021-03-25 14:52:49,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:49,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 176 [2021-03-25 14:52:49,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:49,508 INFO L129 PetriNetUnfolder]: 99/222 cut-off events. [2021-03-25 14:52:49,508 INFO L130 PetriNetUnfolder]: For 1478/1524 co-relation queries the response was YES. [2021-03-25 14:52:49,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 222 events. 99/222 cut-off events. For 1478/1524 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1047 event pairs, 4 based on Foata normal form. 26/247 useless extension candidates. Maximal degree in co-relation 1147. Up to 115 conditions per place. [2021-03-25 14:52:49,510 INFO L132 encePairwiseOnDemand]: 166/176 looper letters, 27 selfloop transitions, 29 changer transitions 0/68 dead transitions. [2021-03-25 14:52:49,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 68 transitions, 699 flow [2021-03-25 14:52:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:52:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:52:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 903 transitions. [2021-03-25 14:52:49,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7329545454545454 [2021-03-25 14:52:49,513 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 903 transitions. [2021-03-25 14:52:49,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 903 transitions. [2021-03-25 14:52:49,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:49,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 903 transitions. [2021-03-25 14:52:49,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 129.0) internal successors, (903), 7 states have internal predecessors, (903), 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) [2021-03-25 14:52:49,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 176.0) internal successors, (1408), 8 states have internal predecessors, (1408), 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) [2021-03-25 14:52:49,516 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 176.0) internal successors, (1408), 8 states have internal predecessors, (1408), 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) [2021-03-25 14:52:49,516 INFO L185 Difference]: Start difference. First operand has 57 places, 56 transitions, 453 flow. Second operand 7 states and 903 transitions. [2021-03-25 14:52:49,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 68 transitions, 699 flow [2021-03-25 14:52:49,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 674 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-25 14:52:49,522 INFO L241 Difference]: Finished difference. Result has 64 places, 60 transitions, 572 flow [2021-03-25 14:52:49,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=572, PETRI_PLACES=64, PETRI_TRANSITIONS=60} [2021-03-25 14:52:49,522 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 16 predicate places. [2021-03-25 14:52:49,522 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:49,522 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 60 transitions, 572 flow [2021-03-25 14:52:49,522 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 60 transitions, 572 flow [2021-03-25 14:52:49,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 60 transitions, 572 flow [2021-03-25 14:52:49,542 INFO L129 PetriNetUnfolder]: 95/211 cut-off events. [2021-03-25 14:52:49,542 INFO L130 PetriNetUnfolder]: For 1561/1621 co-relation queries the response was YES. [2021-03-25 14:52:49,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 211 events. 95/211 cut-off events. For 1561/1621 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1005 event pairs, 14 based on Foata normal form. 7/204 useless extension candidates. Maximal degree in co-relation 1098. Up to 115 conditions per place. [2021-03-25 14:52:49,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 338 [2021-03-25 14:52:49,585 INFO L154 LiptonReduction]: Checked pairs total: 1373 [2021-03-25 14:52:49,585 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:52:49,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-25 14:52:49,586 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 60 transitions, 574 flow [2021-03-25 14:52:49,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 125.85714285714286) internal successors, (881), 7 states have internal predecessors, (881), 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) [2021-03-25 14:52:49,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:49,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:49,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:52:49,586 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1785137448, now seen corresponding path program 1 times [2021-03-25 14:52:49,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:49,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618834260] [2021-03-25 14:52:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:49,631 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:52:49,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:52:49,651 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:52:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:52:49,674 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:52:49,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:52:49,676 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:52:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:52:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:52:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:49,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618834260] [2021-03-25 14:52:49,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:49,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:52:49,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158683292] [2021-03-25 14:52:49,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:52:49,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:49,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:52:49,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:52:49,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 177 [2021-03-25 14:52:49,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 60 transitions, 574 flow. Second operand has 6 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 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) [2021-03-25 14:52:49,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:49,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 177 [2021-03-25 14:52:49,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:49,856 INFO L129 PetriNetUnfolder]: 105/257 cut-off events. [2021-03-25 14:52:49,856 INFO L130 PetriNetUnfolder]: For 1822/1864 co-relation queries the response was YES. [2021-03-25 14:52:49,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1485 conditions, 257 events. 105/257 cut-off events. For 1822/1864 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1321 event pairs, 7 based on Foata normal form. 26/282 useless extension candidates. Maximal degree in co-relation 1455. Up to 137 conditions per place. [2021-03-25 14:52:49,858 INFO L132 encePairwiseOnDemand]: 165/177 looper letters, 19 selfloop transitions, 41 changer transitions 0/72 dead transitions. [2021-03-25 14:52:49,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 72 transitions, 848 flow [2021-03-25 14:52:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:52:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:52:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 911 transitions. [2021-03-25 14:52:49,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.735270379338176 [2021-03-25 14:52:49,860 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 911 transitions. [2021-03-25 14:52:49,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 911 transitions. [2021-03-25 14:52:49,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:49,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 911 transitions. [2021-03-25 14:52:49,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 130.14285714285714) internal successors, (911), 7 states have internal predecessors, (911), 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) [2021-03-25 14:52:49,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 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) [2021-03-25 14:52:49,864 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 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) [2021-03-25 14:52:49,864 INFO L185 Difference]: Start difference. First operand has 64 places, 60 transitions, 574 flow. Second operand 7 states and 911 transitions. [2021-03-25 14:52:49,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 72 transitions, 848 flow [2021-03-25 14:52:49,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 826 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-25 14:52:49,869 INFO L241 Difference]: Finished difference. Result has 70 places, 66 transitions, 777 flow [2021-03-25 14:52:49,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=777, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2021-03-25 14:52:49,870 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 22 predicate places. [2021-03-25 14:52:49,870 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:49,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 777 flow [2021-03-25 14:52:49,870 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 777 flow [2021-03-25 14:52:49,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 777 flow [2021-03-25 14:52:49,894 INFO L129 PetriNetUnfolder]: 99/247 cut-off events. [2021-03-25 14:52:49,894 INFO L130 PetriNetUnfolder]: For 2143/2228 co-relation queries the response was YES. [2021-03-25 14:52:49,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 247 events. 99/247 cut-off events. For 2143/2228 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1251 event pairs, 9 based on Foata normal form. 23/258 useless extension candidates. Maximal degree in co-relation 1456. Up to 135 conditions per place. [2021-03-25 14:52:49,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 372 [2021-03-25 14:52:49,907 INFO L154 LiptonReduction]: Checked pairs total: 997 [2021-03-25 14:52:49,908 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:52:49,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-25 14:52:49,909 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 777 flow [2021-03-25 14:52:49,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 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) [2021-03-25 14:52:49,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:49,909 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:49,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:52:49,909 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:49,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:49,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1122945879, now seen corresponding path program 1 times [2021-03-25 14:52:49,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:49,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670656696] [2021-03-25 14:52:49,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:49,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:52:49,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:49,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:49,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670656696] [2021-03-25 14:52:49,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:49,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:52:49,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366999814] [2021-03-25 14:52:49,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:52:49,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:49,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:52:49,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:52:49,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 177 [2021-03-25 14:52:49,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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) [2021-03-25 14:52:49,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:49,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 177 [2021-03-25 14:52:49,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:49,985 INFO L129 PetriNetUnfolder]: 140/346 cut-off events. [2021-03-25 14:52:49,985 INFO L130 PetriNetUnfolder]: For 3857/4080 co-relation queries the response was YES. [2021-03-25 14:52:49,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2160 conditions, 346 events. 140/346 cut-off events. For 3857/4080 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1949 event pairs, 23 based on Foata normal form. 38/358 useless extension candidates. Maximal degree in co-relation 2128. Up to 201 conditions per place. [2021-03-25 14:52:49,988 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 3 selfloop transitions, 2 changer transitions 10/67 dead transitions. [2021-03-25 14:52:49,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 790 flow [2021-03-25 14:52:49,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:52:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:52:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2021-03-25 14:52:49,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8757062146892656 [2021-03-25 14:52:49,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 465 transitions. [2021-03-25 14:52:49,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 465 transitions. [2021-03-25 14:52:49,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:49,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 465 transitions. [2021-03-25 14:52:49,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2021-03-25 14:52:49,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-03-25 14:52:49,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-03-25 14:52:49,991 INFO L185 Difference]: Start difference. First operand has 70 places, 66 transitions, 777 flow. Second operand 3 states and 465 transitions. [2021-03-25 14:52:49,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 790 flow [2021-03-25 14:52:49,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 67 transitions, 761 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-25 14:52:50,000 INFO L241 Difference]: Finished difference. Result has 70 places, 57 transitions, 659 flow [2021-03-25 14:52:50,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=659, PETRI_PLACES=70, PETRI_TRANSITIONS=57} [2021-03-25 14:52:50,001 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 22 predicate places. [2021-03-25 14:52:50,001 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:50,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 57 transitions, 659 flow [2021-03-25 14:52:50,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 57 transitions, 659 flow [2021-03-25 14:52:50,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 57 transitions, 659 flow [2021-03-25 14:52:50,066 INFO L129 PetriNetUnfolder]: 103/282 cut-off events. [2021-03-25 14:52:50,066 INFO L130 PetriNetUnfolder]: For 2729/2942 co-relation queries the response was YES. [2021-03-25 14:52:50,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1713 conditions, 282 events. 103/282 cut-off events. For 2729/2942 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1608 event pairs, 17 based on Foata normal form. 28/286 useless extension candidates. Maximal degree in co-relation 1683. Up to 164 conditions per place. [2021-03-25 14:52:50,069 INFO L142 LiptonReduction]: Number of co-enabled transitions 306 [2021-03-25 14:52:50,079 INFO L154 LiptonReduction]: Checked pairs total: 414 [2021-03-25 14:52:50,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:52:50,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-25 14:52:50,080 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 57 transitions, 659 flow [2021-03-25 14:52:50,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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) [2021-03-25 14:52:50,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:50,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:50,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:52:50,080 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:50,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:50,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1405687629, now seen corresponding path program 2 times [2021-03-25 14:52:50,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:50,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989780356] [2021-03-25 14:52:50,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:50,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:50,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:50,112 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 14:52:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:52:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:52:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:50,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989780356] [2021-03-25 14:52:50,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:50,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:52:50,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30574296] [2021-03-25 14:52:50,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:52:50,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:50,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:52:50,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:52:50,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 177 [2021-03-25 14:52:50,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 57 transitions, 659 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 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) [2021-03-25 14:52:50,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:50,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 177 [2021-03-25 14:52:50,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:50,193 INFO L129 PetriNetUnfolder]: 270/604 cut-off events. [2021-03-25 14:52:50,193 INFO L130 PetriNetUnfolder]: For 3242/3448 co-relation queries the response was YES. [2021-03-25 14:52:50,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2517 conditions, 604 events. 270/604 cut-off events. For 3242/3448 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 4010 event pairs, 95 based on Foata normal form. 136/695 useless extension candidates. Maximal degree in co-relation 2485. Up to 347 conditions per place. [2021-03-25 14:52:50,197 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 8 selfloop transitions, 8 changer transitions 0/51 dead transitions. [2021-03-25 14:52:50,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 51 transitions, 520 flow [2021-03-25 14:52:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:52:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:52:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 753 transitions. [2021-03-25 14:52:50,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8508474576271187 [2021-03-25 14:52:50,199 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 753 transitions. [2021-03-25 14:52:50,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 753 transitions. [2021-03-25 14:52:50,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:50,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 753 transitions. [2021-03-25 14:52:50,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.6) internal successors, (753), 5 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:52:50,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2021-03-25 14:52:50,202 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2021-03-25 14:52:50,202 INFO L185 Difference]: Start difference. First operand has 70 places, 57 transitions, 659 flow. Second operand 5 states and 753 transitions. [2021-03-25 14:52:50,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 51 transitions, 520 flow [2021-03-25 14:52:50,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 51 transitions, 442 flow, removed 17 selfloop flow, removed 14 redundant places. [2021-03-25 14:52:50,209 INFO L241 Difference]: Finished difference. Result has 63 places, 48 transitions, 450 flow [2021-03-25 14:52:50,209 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=450, PETRI_PLACES=63, PETRI_TRANSITIONS=48} [2021-03-25 14:52:50,209 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 15 predicate places. [2021-03-25 14:52:50,209 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:50,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 48 transitions, 450 flow [2021-03-25 14:52:50,210 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 48 transitions, 450 flow [2021-03-25 14:52:50,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 48 transitions, 450 flow [2021-03-25 14:52:50,256 INFO L129 PetriNetUnfolder]: 272/607 cut-off events. [2021-03-25 14:52:50,256 INFO L130 PetriNetUnfolder]: For 2369/2563 co-relation queries the response was YES. [2021-03-25 14:52:50,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2676 conditions, 607 events. 272/607 cut-off events. For 2369/2563 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 4178 event pairs, 100 based on Foata normal form. 42/599 useless extension candidates. Maximal degree in co-relation 2650. Up to 347 conditions per place. [2021-03-25 14:52:50,262 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-25 14:52:50,423 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-25 14:52:50,812 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 95 [2021-03-25 14:52:50,953 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-25 14:52:50,963 INFO L154 LiptonReduction]: Checked pairs total: 31 [2021-03-25 14:52:50,963 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:52:50,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 755 [2021-03-25 14:52:50,964 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 47 transitions, 450 flow [2021-03-25 14:52:50,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 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) [2021-03-25 14:52:50,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:50,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:50,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:52:50,964 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:50,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:50,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1454137887, now seen corresponding path program 1 times [2021-03-25 14:52:50,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:50,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098492770] [2021-03-25 14:52:50,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:51,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:51,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:51,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:51,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:51,020 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 14:52:51,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:52:51,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:52:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:51,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098492770] [2021-03-25 14:52:51,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:51,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:52:51,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294107065] [2021-03-25 14:52:51,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:52:51,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:51,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:52:51,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:52:51,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 178 [2021-03-25 14:52:51,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 47 transitions, 450 flow. Second operand has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:52:51,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:51,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 178 [2021-03-25 14:52:51,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:51,090 INFO L129 PetriNetUnfolder]: 123/353 cut-off events. [2021-03-25 14:52:51,091 INFO L130 PetriNetUnfolder]: For 2042/2383 co-relation queries the response was YES. [2021-03-25 14:52:51,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1723 conditions, 353 events. 123/353 cut-off events. For 2042/2383 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2226 event pairs, 13 based on Foata normal form. 145/485 useless extension candidates. Maximal degree in co-relation 1695. Up to 221 conditions per place. [2021-03-25 14:52:51,093 INFO L132 encePairwiseOnDemand]: 172/178 looper letters, 5 selfloop transitions, 11 changer transitions 3/54 dead transitions. [2021-03-25 14:52:51,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 54 transitions, 528 flow [2021-03-25 14:52:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:52:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:52:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 909 transitions. [2021-03-25 14:52:51,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.851123595505618 [2021-03-25 14:52:51,095 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 909 transitions. [2021-03-25 14:52:51,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 909 transitions. [2021-03-25 14:52:51,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:51,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 909 transitions. [2021-03-25 14:52:51,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:52:51,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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) [2021-03-25 14:52:51,098 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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) [2021-03-25 14:52:51,098 INFO L185 Difference]: Start difference. First operand has 63 places, 47 transitions, 450 flow. Second operand 6 states and 909 transitions. [2021-03-25 14:52:51,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 54 transitions, 528 flow [2021-03-25 14:52:51,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 54 transitions, 499 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-25 14:52:51,102 INFO L241 Difference]: Finished difference. Result has 66 places, 51 transitions, 491 flow [2021-03-25 14:52:51,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=491, PETRI_PLACES=66, PETRI_TRANSITIONS=51} [2021-03-25 14:52:51,102 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 18 predicate places. [2021-03-25 14:52:51,102 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:51,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 51 transitions, 491 flow [2021-03-25 14:52:51,102 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 51 transitions, 491 flow [2021-03-25 14:52:51,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 51 transitions, 491 flow [2021-03-25 14:52:51,128 INFO L129 PetriNetUnfolder]: 115/342 cut-off events. [2021-03-25 14:52:51,128 INFO L130 PetriNetUnfolder]: For 1409/1534 co-relation queries the response was YES. [2021-03-25 14:52:51,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1717 conditions, 342 events. 115/342 cut-off events. For 1409/1534 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 2259 event pairs, 13 based on Foata normal form. 15/345 useless extension candidates. Maximal degree in co-relation 1689. Up to 210 conditions per place. [2021-03-25 14:52:51,131 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-25 14:52:51,140 INFO L154 LiptonReduction]: Checked pairs total: 17 [2021-03-25 14:52:51,140 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:52:51,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-25 14:52:51,142 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 50 transitions, 483 flow [2021-03-25 14:52:51,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:52:51,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:51,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:51,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:52:51,142 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:51,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:51,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1998386954, now seen corresponding path program 1 times [2021-03-25 14:52:51,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:51,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073158941] [2021-03-25 14:52:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:51,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:52:51,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:52:51,232 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.3 percent of original size [2021-03-25 14:52:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 14:52:51,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:51,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:52:51,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:51,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:52:51,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:52:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:51,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073158941] [2021-03-25 14:52:51,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:51,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:52:51,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144428518] [2021-03-25 14:52:51,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:52:51,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:51,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:52:51,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:52:51,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 178 [2021-03-25 14:52:51,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 50 transitions, 483 flow. Second operand has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-03-25 14:52:51,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:51,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 178 [2021-03-25 14:52:51,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:51,478 INFO L129 PetriNetUnfolder]: 116/326 cut-off events. [2021-03-25 14:52:51,478 INFO L130 PetriNetUnfolder]: For 1818/1901 co-relation queries the response was YES. [2021-03-25 14:52:51,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1778 conditions, 326 events. 116/326 cut-off events. For 1818/1901 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1895 event pairs, 19 based on Foata normal form. 14/329 useless extension candidates. Maximal degree in co-relation 1748. Up to 177 conditions per place. [2021-03-25 14:52:51,480 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 19 selfloop transitions, 12 changer transitions 3/53 dead transitions. [2021-03-25 14:52:51,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 53 transitions, 595 flow [2021-03-25 14:52:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:52:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:52:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 637 transitions. [2021-03-25 14:52:51,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7157303370786516 [2021-03-25 14:52:51,482 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 637 transitions. [2021-03-25 14:52:51,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 637 transitions. [2021-03-25 14:52:51,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:51,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 637 transitions. [2021-03-25 14:52:51,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 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) [2021-03-25 14:52:51,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 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) [2021-03-25 14:52:51,486 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 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) [2021-03-25 14:52:51,486 INFO L185 Difference]: Start difference. First operand has 66 places, 50 transitions, 483 flow. Second operand 5 states and 637 transitions. [2021-03-25 14:52:51,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 53 transitions, 595 flow [2021-03-25 14:52:51,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 53 transitions, 571 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-25 14:52:51,491 INFO L241 Difference]: Finished difference. Result has 66 places, 47 transitions, 471 flow [2021-03-25 14:52:51,491 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=471, PETRI_PLACES=66, PETRI_TRANSITIONS=47} [2021-03-25 14:52:51,491 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 18 predicate places. [2021-03-25 14:52:51,492 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:51,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 47 transitions, 471 flow [2021-03-25 14:52:51,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 47 transitions, 471 flow [2021-03-25 14:52:51,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 47 transitions, 471 flow [2021-03-25 14:52:51,518 INFO L129 PetriNetUnfolder]: 106/304 cut-off events. [2021-03-25 14:52:51,518 INFO L130 PetriNetUnfolder]: For 1211/1243 co-relation queries the response was YES. [2021-03-25 14:52:51,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1403 conditions, 304 events. 106/304 cut-off events. For 1211/1243 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1744 event pairs, 18 based on Foata normal form. 7/298 useless extension candidates. Maximal degree in co-relation 1375. Up to 119 conditions per place. [2021-03-25 14:52:51,521 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-25 14:52:51,712 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:52:52,084 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:52:52,192 INFO L154 LiptonReduction]: Checked pairs total: 21 [2021-03-25 14:52:52,192 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:52:52,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 701 [2021-03-25 14:52:52,193 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 47 transitions, 473 flow [2021-03-25 14:52:52,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-03-25 14:52:52,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:52,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:52,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:52:52,194 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:52,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:52,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1850969487, now seen corresponding path program 1 times [2021-03-25 14:52:52,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:52,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757186623] [2021-03-25 14:52:52,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:52:52,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:52,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:52,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:52,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:52,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:52,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:52:52,239 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 14:52:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 14:52:52,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:52:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:52:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:52:52,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757186623] [2021-03-25 14:52:52,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:52:52,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:52:52,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489059935] [2021-03-25 14:52:52,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:52:52,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:52:52,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:52:52,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:52:52,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 179 [2021-03-25 14:52:52,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 47 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 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) [2021-03-25 14:52:52,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:52:52,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 179 [2021-03-25 14:52:52,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:52:52,304 INFO L129 PetriNetUnfolder]: 67/228 cut-off events. [2021-03-25 14:52:52,304 INFO L130 PetriNetUnfolder]: For 961/1065 co-relation queries the response was YES. [2021-03-25 14:52:52,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 228 events. 67/228 cut-off events. For 961/1065 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1297 event pairs, 0 based on Foata normal form. 84/307 useless extension candidates. Maximal degree in co-relation 1132. Up to 99 conditions per place. [2021-03-25 14:52:52,306 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 2 selfloop transitions, 11 changer transitions 14/51 dead transitions. [2021-03-25 14:52:52,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 51 transitions, 535 flow [2021-03-25 14:52:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:52:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:52:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1061 transitions. [2021-03-25 14:52:52,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8467677573822825 [2021-03-25 14:52:52,308 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1061 transitions. [2021-03-25 14:52:52,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1061 transitions. [2021-03-25 14:52:52,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:52:52,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1061 transitions. [2021-03-25 14:52:52,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 151.57142857142858) internal successors, (1061), 7 states have internal predecessors, (1061), 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) [2021-03-25 14:52:52,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 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) [2021-03-25 14:52:52,322 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 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) [2021-03-25 14:52:52,322 INFO L185 Difference]: Start difference. First operand has 66 places, 47 transitions, 473 flow. Second operand 7 states and 1061 transitions. [2021-03-25 14:52:52,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 51 transitions, 535 flow [2021-03-25 14:52:52,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 51 transitions, 495 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-03-25 14:52:52,325 INFO L241 Difference]: Finished difference. Result has 72 places, 37 transitions, 367 flow [2021-03-25 14:52:52,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=367, PETRI_PLACES=72, PETRI_TRANSITIONS=37} [2021-03-25 14:52:52,326 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 24 predicate places. [2021-03-25 14:52:52,326 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:52:52,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 37 transitions, 367 flow [2021-03-25 14:52:52,326 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 37 transitions, 367 flow [2021-03-25 14:52:52,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 37 transitions, 367 flow [2021-03-25 14:52:52,333 INFO L129 PetriNetUnfolder]: 15/60 cut-off events. [2021-03-25 14:52:52,333 INFO L130 PetriNetUnfolder]: For 226/228 co-relation queries the response was YES. [2021-03-25 14:52:52,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 60 events. 15/60 cut-off events. For 226/228 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 186 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 295. Up to 20 conditions per place. [2021-03-25 14:52:52,333 INFO L142 LiptonReduction]: Number of co-enabled transitions 80 [2021-03-25 14:52:52,574 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-25 14:52:52,675 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-25 14:52:53,159 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 90 [2021-03-25 14:52:53,287 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 14:52:53,545 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 14:52:53,697 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 14:52:54,489 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2021-03-25 14:52:54,728 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 14:52:56,067 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 346 DAG size of output: 270 [2021-03-25 14:52:56,572 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-25 14:52:56,577 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 14:52:56,577 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 14:52:56,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4251 [2021-03-25 14:52:56,577 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 33 transitions, 354 flow [2021-03-25 14:52:56,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 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) [2021-03-25 14:52:56,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:52:56,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:52:56,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 14:52:56,578 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:52:56,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:52:56,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1989811117, now seen corresponding path program 1 times [2021-03-25 14:52:56,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:52:56,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928444034] [2021-03-25 14:52:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:52:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:52:56,641 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:52:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:52:56,680 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:52:56,713 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:52:56,714 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:52:56,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 14:52:56,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:52:56 BasicIcfg [2021-03-25 14:52:56,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:52:56,789 INFO L168 Benchmark]: Toolchain (without parser) took 23415.36 ms. Allocated memory was 354.4 MB in the beginning and 838.9 MB in the end (delta: 484.4 MB). Free memory was 317.3 MB in the beginning and 764.0 MB in the end (delta: -446.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:52:56,789 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 354.4 MB. Free memory was 335.3 MB in the beginning and 335.2 MB in the end (delta: 75.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:52:56,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.48 ms. Allocated memory is still 354.4 MB. Free memory was 317.1 MB in the beginning and 314.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:52:56,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.59 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 311.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:52:56,790 INFO L168 Benchmark]: Boogie Preprocessor took 30.94 ms. Allocated memory is still 354.4 MB. Free memory was 311.6 MB in the beginning and 309.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:52:56,790 INFO L168 Benchmark]: RCFGBuilder took 1448.41 ms. Allocated memory is still 354.4 MB. Free memory was 309.5 MB in the beginning and 217.6 MB in the end (delta: 91.9 MB). Peak memory consumption was 118.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:52:56,790 INFO L168 Benchmark]: TraceAbstraction took 21454.41 ms. Allocated memory was 354.4 MB in the beginning and 838.9 MB in the end (delta: 484.4 MB). Free memory was 217.6 MB in the beginning and 764.0 MB in the end (delta: -546.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:52:56,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 354.4 MB. Free memory was 335.3 MB in the beginning and 335.2 MB in the end (delta: 75.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 438.48 ms. Allocated memory is still 354.4 MB. Free memory was 317.1 MB in the beginning and 314.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 35.59 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 311.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.94 ms. Allocated memory is still 354.4 MB. Free memory was 311.6 MB in the beginning and 309.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1448.41 ms. Allocated memory is still 354.4 MB. Free memory was 309.5 MB in the beginning and 217.6 MB in the end (delta: 91.9 MB). Peak memory consumption was 118.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 21454.41 ms. Allocated memory was 354.4 MB in the beginning and 838.9 MB in the end (delta: 484.4 MB). Free memory was 217.6 MB in the beginning and 764.0 MB in the end (delta: -546.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7006.7ms, 102 PlacesBefore, 48 PlacesAfterwards, 94 TransitionsBefore, 39 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 3065 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1546, positive: 1462, positive conditional: 0, positive unconditional: 1462, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1105, positive: 1070, positive conditional: 0, positive unconditional: 1070, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1105, positive: 1070, positive conditional: 0, positive unconditional: 1070, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1105, positive: 1064, positive conditional: 0, positive unconditional: 1064, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 277, negative conditional: 0, negative unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1546, positive: 392, positive conditional: 0, positive unconditional: 392, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 1105, unknown conditional: 0, unknown unconditional: 1105] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3091.2ms, 45 PlacesBefore, 33 PlacesAfterwards, 32 TransitionsBefore, 24 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 942 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 246, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 246, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 144, Positive conditional cache size: 0, Positive unconditional cache size: 144, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 966.4ms, 34 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 21 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 777 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 201, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ 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] ], Cache Queries: [ total: 201, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.3ms, 34 PlacesBefore, 33 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 123, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ 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] ], Cache Queries: [ total: 123, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 145, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 377.6ms, 32 PlacesBefore, 32 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 374 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 97, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 329, negative conditional: 0, negative unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.7ms, 38 PlacesBefore, 38 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 271 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 146, positive conditional: 0, positive unconditional: 146, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 165, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.8ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 94 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 5, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 5, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 129, Positive conditional cache size: 0, Positive unconditional cache size: 129, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.9ms, 47 PlacesBefore, 47 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 87, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.4ms, 50 PlacesBefore, 50 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 472 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 225, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 225, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.9ms, 53 PlacesBefore, 53 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 400 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 207, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 207, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.3ms, 57 PlacesBefore, 57 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 972 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 447, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 447, positive: 395, positive conditional: 0, positive unconditional: 395, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.1ms, 64 PlacesBefore, 64 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 338 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1373 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 605, positive: 541, positive conditional: 0, positive unconditional: 541, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 605, positive: 541, positive conditional: 0, positive unconditional: 541, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.2ms, 70 PlacesBefore, 70 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 997 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 495, positive: 459, positive conditional: 0, positive unconditional: 459, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 495, positive: 458, positive conditional: 0, positive unconditional: 458, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.4ms, 70 PlacesBefore, 70 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 285, positive: 265, positive conditional: 0, positive unconditional: 265, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 285, positive: 265, positive conditional: 0, positive unconditional: 265, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 753.9ms, 63 PlacesBefore, 63 PlacesAfterwards, 48 TransitionsBefore, 47 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 31 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 31, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.9ms, 66 PlacesBefore, 66 PlacesAfterwards, 51 TransitionsBefore, 50 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 17 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 17, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 700.6ms, 66 PlacesBefore, 66 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 21 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 21, positive conditional: 0, positive unconditional: 21, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 21, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4250.4ms, 72 PlacesBefore, 64 PlacesAfterwards, 37 TransitionsBefore, 33 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 10, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff1_thd0; [L727] 0 _Bool z$r_buff1_thd1; [L728] 0 _Bool z$r_buff1_thd2; [L729] 0 _Bool z$r_buff1_thd3; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2025; [L819] FCALL, FORK 0 pthread_create(&t2025, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 2 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2026; [L821] FCALL, FORK 0 pthread_create(&t2026, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 pthread_t t2027; [L823] FCALL, FORK 0 pthread_create(&t2027, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 __unbuffered_p2_EAX = y [L793] 3 z = 1 [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L797] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L798] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L799] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L800] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L830] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L831] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L832] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L833] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 z$flush_delayed = weak$$choice2 [L839] 0 z$mem_tmp = z [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L840] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L848] 0 z = z$flush_delayed ? z$mem_tmp : z [L849] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 21296.4ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1663.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7064.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 90 SDtfs, 34 SDslu, 32 SDs, 0 SdLazy, 502 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 513.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 564.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=777occurred in iteration=12, InterpolantAutomatonStates: 81, 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: 40.0ms SsaConstructionTime, 389.1ms SatisfiabilityAnalysisTime, 1159.5ms InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 1949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...