/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 05:09:56,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 05:09:56,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 05:09:56,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 05:09:56,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 05:09:56,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 05:09:56,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 05:09:56,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 05:09:56,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 05:09:56,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 05:09:56,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 05:09:56,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 05:09:56,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 05:09:56,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 05:09:56,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 05:09:56,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 05:09:56,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 05:09:56,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 05:09:56,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 05:09:56,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 05:09:56,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 05:09:56,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 05:09:56,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 05:09:56,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 05:09:56,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 05:09:56,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 05:09:56,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 05:09:56,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 05:09:56,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 05:09:56,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 05:09:56,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 05:09:56,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 05:09:56,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 05:09:56,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 05:09:56,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 05:09:56,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 05:09:56,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 05:09:56,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 05:09:56,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 05:09:56,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 05:09:56,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 05:09:56,928 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-RepeatedVariableLbe.epf [2021-03-25 05:09:56,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 05:09:56,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 05:09:56,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 05:09:56,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 05:09:56,959 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 05:09:56,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 05:09:56,959 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 05:09:56,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 05:09:56,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 05:09:56,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 05:09:56,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 05:09:56,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 05:09:56,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 05:09:56,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 05:09:56,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 05:09:57,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 05:09:57,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 05:09:57,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 05:09:57,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 05:09:57,250 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 05:09:57,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_power.oepc.i [2021-03-25 05:09:57,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375c49154/3bdf709ae5b64ee08f7d1d6a62f5c9cc/FLAG03c4ca0f4 [2021-03-25 05:09:57,717 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 05:09:57,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_power.oepc.i [2021-03-25 05:09:57,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375c49154/3bdf709ae5b64ee08f7d1d6a62f5c9cc/FLAG03c4ca0f4 [2021-03-25 05:09:58,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375c49154/3bdf709ae5b64ee08f7d1d6a62f5c9cc [2021-03-25 05:09:58,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 05:09:58,011 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 05:09:58,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 05:09:58,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 05:09:58,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 05:09:58,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa5f043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58, skipping insertion in model container [2021-03-25 05:09:58,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 05:09:58,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 05:09:58,189 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/safe032_power.oepc.i[995,1008] [2021-03-25 05:09:58,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:09:58,367 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 05:09:58,377 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/safe032_power.oepc.i[995,1008] [2021-03-25 05:09:58,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:09:58,468 INFO L208 MainTranslator]: Completed translation [2021-03-25 05:09:58,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58 WrapperNode [2021-03-25 05:09:58,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 05:09:58,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 05:09:58,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 05:09:58,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 05:09:58,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 05:09:58,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 05:09:58,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 05:09:58,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 05:09:58,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (1/1) ... [2021-03-25 05:09:58,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 05:09:58,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 05:09:58,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 05:09:58,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 05:09:58,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (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 05:09:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 05:09:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 05:09:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 05:09:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 05:09:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 05:09:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 05:09:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 05:09:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 05:09:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 05:09:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 05:09:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 05:09:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 05:09:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 05:09:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 05:09:58,612 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 05:10:00,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 05:10:00,561 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 05:10:00,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:10:00 BoogieIcfgContainer [2021-03-25 05:10:00,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 05:10:00,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 05:10:00,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 05:10:00,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 05:10:00,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:09:58" (1/3) ... [2021-03-25 05:10:00,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dff3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:10:00, skipping insertion in model container [2021-03-25 05:10:00,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:58" (2/3) ... [2021-03-25 05:10:00,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dff3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:10:00, skipping insertion in model container [2021-03-25 05:10:00,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:10:00" (3/3) ... [2021-03-25 05:10:00,568 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_power.oepc.i [2021-03-25 05:10:00,572 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 05:10:00,576 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 05:10:00,576 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 05:10:00,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,610 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,610 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,628 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,630 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:10:00,643 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 05:10:00,654 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 05:10:00,666 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 05:10:00,666 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 05:10:00,666 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 05:10:00,666 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 05:10:00,666 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 05:10:00,666 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 05:10:00,666 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 05:10:00,666 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 05:10:00,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-03-25 05:10:00,699 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-25 05:10:00,699 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:10:00,709 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 4. 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 05:10:00,709 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-03-25 05:10:00,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-03-25 05:10:00,714 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:00,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-25 05:10:00,722 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-25 05:10:00,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-03-25 05:10:00,746 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-25 05:10:00,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:10:00,747 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 4. Compared 72 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 05:10:00,750 INFO L142 LiptonReduction]: Number of co-enabled transitions 1668 [2021-03-25 05:10:01,300 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 05:10:01,618 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 05:10:01,720 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 05:10:02,886 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 05:10:03,152 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 05:10:04,364 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 05:10:04,908 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 05:10:05,289 INFO L154 LiptonReduction]: Checked pairs total: 3146 [2021-03-25 05:10:05,290 INFO L156 LiptonReduction]: Total number of compositions: 65 [2021-03-25 05:10:05,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4578 [2021-03-25 05:10:05,302 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-25 05:10:05,302 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:10:05,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:05,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:05,303 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:05,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:05,309 INFO L82 PathProgramCache]: Analyzing trace with hash -281805230, now seen corresponding path program 1 times [2021-03-25 05:10:05,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:05,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266461193] [2021-03-25 05:10:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:05,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:05,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:05,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:05,540 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 05:10:05,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266461193] [2021-03-25 05:10:05,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:05,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:10:05,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030141983] [2021-03-25 05:10:05,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:10:05,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:05,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:10:05,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:10:05,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 162 [2021-03-25 05:10:05,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 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 05:10:05,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:05,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 162 [2021-03-25 05:10:05,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:05,723 INFO L129 PetriNetUnfolder]: 115/301 cut-off events. [2021-03-25 05:10:05,724 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:10:05,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 301 events. 115/301 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1513 event pairs, 39 based on Foata normal form. 22/293 useless extension candidates. Maximal degree in co-relation 479. Up to 141 conditions per place. [2021-03-25 05:10:05,727 INFO L132 encePairwiseOnDemand]: 158/162 looper letters, 13 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2021-03-25 05:10:05,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 41 transitions, 121 flow [2021-03-25 05:10:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:10:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:10:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2021-03-25 05:10:05,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8827160493827161 [2021-03-25 05:10:05,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2021-03-25 05:10:05,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2021-03-25 05:10:05,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:05,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2021-03-25 05:10:05,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 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 05:10:05,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 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 05:10:05,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 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 05:10:05,759 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 85 flow. Second operand 3 states and 429 transitions. [2021-03-25 05:10:05,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 41 transitions, 121 flow [2021-03-25 05:10:05,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 118 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 05:10:05,762 INFO L241 Difference]: Finished difference. Result has 44 places, 35 transitions, 80 flow [2021-03-25 05:10:05,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2021-03-25 05:10:05,764 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2021-03-25 05:10:05,764 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:05,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 80 flow [2021-03-25 05:10:05,765 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 80 flow [2021-03-25 05:10:05,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 80 flow [2021-03-25 05:10:05,772 INFO L129 PetriNetUnfolder]: 0/35 cut-off events. [2021-03-25 05:10:05,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:10:05,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 05:10:05,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 306 [2021-03-25 05:10:06,098 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 05:10:06,350 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 05:10:07,468 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-03-25 05:10:08,032 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 05:10:08,535 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 05:10:08,643 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 05:10:09,031 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 05:10:09,392 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 05:10:10,187 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-03-25 05:10:10,996 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-03-25 05:10:11,276 INFO L154 LiptonReduction]: Checked pairs total: 1174 [2021-03-25 05:10:11,276 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 05:10:11,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5512 [2021-03-25 05:10:11,278 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-03-25 05:10:11,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 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 05:10:11,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:11,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:11,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 05:10:11,278 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash 557731296, now seen corresponding path program 1 times [2021-03-25 05:10:11,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:11,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465271916] [2021-03-25 05:10:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:11,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:11,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:11,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:11,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:11,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 05:10:11,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:10:11,403 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 05:10:11,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465271916] [2021-03-25 05:10:11,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:11,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:10:11,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098985496] [2021-03-25 05:10:11,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:10:11,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:11,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:10:11,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:10:11,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 174 [2021-03-25 05:10:11,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 05:10:11,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:11,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 174 [2021-03-25 05:10:11,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:11,436 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-03-25 05:10:11,436 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:10:11,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 26 events. 1/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 40 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. [2021-03-25 05:10:11,436 INFO L132 encePairwiseOnDemand]: 170/174 looper letters, 1 selfloop transitions, 2 changer transitions 3/26 dead transitions. [2021-03-25 05:10:11,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 26 transitions, 74 flow [2021-03-25 05:10:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 05:10:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 05:10:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 757 transitions. [2021-03-25 05:10:11,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8701149425287357 [2021-03-25 05:10:11,438 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 757 transitions. [2021-03-25 05:10:11,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 757 transitions. [2021-03-25 05:10:11,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:11,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 757 transitions. [2021-03-25 05:10:11,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 151.4) internal successors, (757), 5 states have internal predecessors, (757), 0 states have call successors, (0), 0 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 05:10:11,441 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 05:10:11,442 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 05:10:11,442 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 757 transitions. [2021-03-25 05:10:11,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 26 transitions, 74 flow [2021-03-25 05:10:11,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 26 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:10:11,443 INFO L241 Difference]: Finished difference. Result has 36 places, 23 transitions, 60 flow [2021-03-25 05:10:11,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, 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=5, PETRI_FLOW=60, PETRI_PLACES=36, PETRI_TRANSITIONS=23} [2021-03-25 05:10:11,443 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -11 predicate places. [2021-03-25 05:10:11,443 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:11,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 23 transitions, 60 flow [2021-03-25 05:10:11,444 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 23 transitions, 60 flow [2021-03-25 05:10:11,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 60 flow [2021-03-25 05:10:11,448 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-25 05:10:11,448 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:10:11,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 0/23 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 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 05:10:11,449 INFO L142 LiptonReduction]: Number of co-enabled transitions 204 [2021-03-25 05:10:11,916 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-25 05:10:12,024 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-25 05:10:12,271 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-25 05:10:12,385 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-25 05:10:12,387 INFO L154 LiptonReduction]: Checked pairs total: 738 [2021-03-25 05:10:12,388 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:10:12,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 945 [2021-03-25 05:10:12,388 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-03-25 05:10:12,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 05:10:12,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:12,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:12,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 05:10:12,389 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:12,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:12,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1131497842, now seen corresponding path program 1 times [2021-03-25 05:10:12,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:12,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962108328] [2021-03-25 05:10:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:12,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:12,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:12,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:10:12,610 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.0 percent of original size [2021-03-25 05:10:12,612 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-03-25 05:10:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:12,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:12,650 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 05:10:12,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962108328] [2021-03-25 05:10:12,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:12,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:10:12,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969169466] [2021-03-25 05:10:12,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:10:12,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:12,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:10:12,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:10:12,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 176 [2021-03-25 05:10:12,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:10:12,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:12,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 176 [2021-03-25 05:10:12,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:12,826 INFO L129 PetriNetUnfolder]: 129/256 cut-off events. [2021-03-25 05:10:12,826 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 05:10:12,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 256 events. 129/256 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1176 event pairs, 5 based on Foata normal form. 8/257 useless extension candidates. Maximal degree in co-relation 510. Up to 152 conditions per place. [2021-03-25 05:10:12,828 INFO L132 encePairwiseOnDemand]: 167/176 looper letters, 16 selfloop transitions, 9 changer transitions 0/36 dead transitions. [2021-03-25 05:10:12,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 36 transitions, 142 flow [2021-03-25 05:10:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 783 transitions. [2021-03-25 05:10:12,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7414772727272727 [2021-03-25 05:10:12,830 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 783 transitions. [2021-03-25 05:10:12,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 783 transitions. [2021-03-25 05:10:12,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:12,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 783 transitions. [2021-03-25 05:10:12,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.5) internal successors, (783), 6 states have internal predecessors, (783), 0 states have call successors, (0), 0 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 05:10:12,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 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 05:10:12,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 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 05:10:12,834 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 6 states and 783 transitions. [2021-03-25 05:10:12,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 36 transitions, 142 flow [2021-03-25 05:10:12,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 36 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:10:12,836 INFO L241 Difference]: Finished difference. Result has 37 places, 28 transitions, 112 flow [2021-03-25 05:10:12,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=112, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2021-03-25 05:10:12,836 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -10 predicate places. [2021-03-25 05:10:12,836 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:12,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 28 transitions, 112 flow [2021-03-25 05:10:12,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 28 transitions, 112 flow [2021-03-25 05:10:12,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 28 transitions, 112 flow [2021-03-25 05:10:12,856 INFO L129 PetriNetUnfolder]: 48/126 cut-off events. [2021-03-25 05:10:12,856 INFO L130 PetriNetUnfolder]: For 27/35 co-relation queries the response was YES. [2021-03-25 05:10:12,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 126 events. 48/126 cut-off events. For 27/35 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 519 event pairs, 19 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 271. Up to 81 conditions per place. [2021-03-25 05:10:12,858 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-25 05:10:12,860 INFO L154 LiptonReduction]: Checked pairs total: 105 [2021-03-25 05:10:12,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:12,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-25 05:10:12,861 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 112 flow [2021-03-25 05:10:12,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:10:12,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:12,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:12,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 05:10:12,862 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:12,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:12,862 INFO L82 PathProgramCache]: Analyzing trace with hash 711640984, now seen corresponding path program 1 times [2021-03-25 05:10:12,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:12,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235796631] [2021-03-25 05:10:12,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:12,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:12,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:12,942 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 05:10:12,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235796631] [2021-03-25 05:10:12,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:12,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 05:10:12,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2347865] [2021-03-25 05:10:12,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:10:12,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:12,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:10:12,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:10:12,944 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 176 [2021-03-25 05:10:12,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 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 05:10:12,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:12,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 176 [2021-03-25 05:10:12,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:12,978 INFO L129 PetriNetUnfolder]: 72/168 cut-off events. [2021-03-25 05:10:12,979 INFO L130 PetriNetUnfolder]: For 109/122 co-relation queries the response was YES. [2021-03-25 05:10:12,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 168 events. 72/168 cut-off events. For 109/122 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 773 event pairs, 31 based on Foata normal form. 4/164 useless extension candidates. Maximal degree in co-relation 402. Up to 105 conditions per place. [2021-03-25 05:10:12,980 INFO L132 encePairwiseOnDemand]: 172/176 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-03-25 05:10:12,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 128 flow [2021-03-25 05:10:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:10:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:10:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2021-03-25 05:10:12,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8712121212121212 [2021-03-25 05:10:12,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 460 transitions. [2021-03-25 05:10:12,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 460 transitions. [2021-03-25 05:10:12,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:12,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 460 transitions. [2021-03-25 05:10:12,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 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 05:10:12,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 05:10:12,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 05:10:12,985 INFO L185 Difference]: Start difference. First operand has 37 places, 28 transitions, 112 flow. Second operand 3 states and 460 transitions. [2021-03-25 05:10:12,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 128 flow [2021-03-25 05:10:12,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 30 transitions, 127 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 05:10:12,986 INFO L241 Difference]: Finished difference. Result has 39 places, 30 transitions, 130 flow [2021-03-25 05:10:12,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2021-03-25 05:10:12,987 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -8 predicate places. [2021-03-25 05:10:12,987 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:12,987 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 30 transitions, 130 flow [2021-03-25 05:10:12,987 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 30 transitions, 130 flow [2021-03-25 05:10:12,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 30 transitions, 130 flow [2021-03-25 05:10:13,014 INFO L129 PetriNetUnfolder]: 74/175 cut-off events. [2021-03-25 05:10:13,014 INFO L130 PetriNetUnfolder]: For 100/109 co-relation queries the response was YES. [2021-03-25 05:10:13,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 175 events. 74/175 cut-off events. For 100/109 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 834 event pairs, 28 based on Foata normal form. 1/166 useless extension candidates. Maximal degree in co-relation 420. Up to 108 conditions per place. [2021-03-25 05:10:13,016 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-25 05:10:13,018 INFO L154 LiptonReduction]: Checked pairs total: 42 [2021-03-25 05:10:13,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:13,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 05:10:13,019 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 130 flow [2021-03-25 05:10:13,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 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 05:10:13,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:13,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:13,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 05:10:13,019 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:13,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:13,020 INFO L82 PathProgramCache]: Analyzing trace with hash -2115515633, now seen corresponding path program 1 times [2021-03-25 05:10:13,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:13,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797181009] [2021-03-25 05:10:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:13,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:13,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:13,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:13,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:13,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:13,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:13,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:10:13,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:13,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:10:13,191 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 05:10:13,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797181009] [2021-03-25 05:10:13,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:13,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:10:13,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748274043] [2021-03-25 05:10:13,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:10:13,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:13,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:10:13,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:10:13,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 176 [2021-03-25 05:10:13,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 130 flow. Second operand has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 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 05:10:13,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:13,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 176 [2021-03-25 05:10:13,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:13,390 INFO L129 PetriNetUnfolder]: 193/390 cut-off events. [2021-03-25 05:10:13,390 INFO L130 PetriNetUnfolder]: For 216/240 co-relation queries the response was YES. [2021-03-25 05:10:13,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1130 conditions, 390 events. 193/390 cut-off events. For 216/240 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2048 event pairs, 18 based on Foata normal form. 19/391 useless extension candidates. Maximal degree in co-relation 1115. Up to 202 conditions per place. [2021-03-25 05:10:13,394 INFO L132 encePairwiseOnDemand]: 166/176 looper letters, 16 selfloop transitions, 19 changer transitions 0/48 dead transitions. [2021-03-25 05:10:13,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 267 flow [2021-03-25 05:10:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 806 transitions. [2021-03-25 05:10:13,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7632575757575758 [2021-03-25 05:10:13,397 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 806 transitions. [2021-03-25 05:10:13,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 806 transitions. [2021-03-25 05:10:13,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:13,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 806 transitions. [2021-03-25 05:10:13,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 0 states have call successors, (0), 0 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 05:10:13,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 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 05:10:13,401 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 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 05:10:13,402 INFO L185 Difference]: Start difference. First operand has 39 places, 30 transitions, 130 flow. Second operand 6 states and 806 transitions. [2021-03-25 05:10:13,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 267 flow [2021-03-25 05:10:13,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 48 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 05:10:13,407 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 245 flow [2021-03-25 05:10:13,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2021-03-25 05:10:13,407 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2021-03-25 05:10:13,407 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:13,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 41 transitions, 245 flow [2021-03-25 05:10:13,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 41 transitions, 245 flow [2021-03-25 05:10:13,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 41 transitions, 245 flow [2021-03-25 05:10:13,467 INFO L129 PetriNetUnfolder]: 155/336 cut-off events. [2021-03-25 05:10:13,468 INFO L130 PetriNetUnfolder]: For 435/453 co-relation queries the response was YES. [2021-03-25 05:10:13,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 336 events. 155/336 cut-off events. For 435/453 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1862 event pairs, 45 based on Foata normal form. 9/321 useless extension candidates. Maximal degree in co-relation 1118. Up to 208 conditions per place. [2021-03-25 05:10:13,470 INFO L142 LiptonReduction]: Number of co-enabled transitions 356 [2021-03-25 05:10:13,696 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:10:14,094 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2021-03-25 05:10:14,230 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-25 05:10:14,245 INFO L154 LiptonReduction]: Checked pairs total: 241 [2021-03-25 05:10:14,245 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:10:14,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 838 [2021-03-25 05:10:14,246 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 250 flow [2021-03-25 05:10:14,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 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 05:10:14,246 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:14,246 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:14,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 05:10:14,246 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:14,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:14,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2059147623, now seen corresponding path program 2 times [2021-03-25 05:10:14,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:14,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876304728] [2021-03-25 05:10:14,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:14,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:14,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:14,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:14,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:14,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:14,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:14,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:14,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:10:14,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:14,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:14,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:14,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:10:14,352 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 05:10:14,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876304728] [2021-03-25 05:10:14,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:14,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:10:14,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314398914] [2021-03-25 05:10:14,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:10:14,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:14,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:10:14,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:10:14,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 177 [2021-03-25 05:10:14,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 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 05:10:14,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:14,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 177 [2021-03-25 05:10:14,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:14,540 INFO L129 PetriNetUnfolder]: 231/448 cut-off events. [2021-03-25 05:10:14,540 INFO L130 PetriNetUnfolder]: For 808/916 co-relation queries the response was YES. [2021-03-25 05:10:14,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1741 conditions, 448 events. 231/448 cut-off events. For 808/916 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2364 event pairs, 51 based on Foata normal form. 23/453 useless extension candidates. Maximal degree in co-relation 1722. Up to 301 conditions per place. [2021-03-25 05:10:14,545 INFO L132 encePairwiseOnDemand]: 168/177 looper letters, 29 selfloop transitions, 29 changer transitions 0/71 dead transitions. [2021-03-25 05:10:14,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 71 transitions, 568 flow [2021-03-25 05:10:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:10:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:10:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 895 transitions. [2021-03-25 05:10:14,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7223567393058918 [2021-03-25 05:10:14,548 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 895 transitions. [2021-03-25 05:10:14,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 895 transitions. [2021-03-25 05:10:14,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:14,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 895 transitions. [2021-03-25 05:10:14,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.85714285714286) internal successors, (895), 7 states have internal predecessors, (895), 0 states have call successors, (0), 0 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 05:10:14,552 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 05:10:14,553 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 05:10:14,553 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 250 flow. Second operand 7 states and 895 transitions. [2021-03-25 05:10:14,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 71 transitions, 568 flow [2021-03-25 05:10:14,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 71 transitions, 560 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-25 05:10:14,557 INFO L241 Difference]: Finished difference. Result has 56 places, 64 transitions, 523 flow [2021-03-25 05:10:14,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=523, PETRI_PLACES=56, PETRI_TRANSITIONS=64} [2021-03-25 05:10:14,557 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 9 predicate places. [2021-03-25 05:10:14,557 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:14,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 64 transitions, 523 flow [2021-03-25 05:10:14,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 64 transitions, 523 flow [2021-03-25 05:10:14,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 64 transitions, 523 flow [2021-03-25 05:10:14,677 INFO L129 PetriNetUnfolder]: 174/389 cut-off events. [2021-03-25 05:10:14,678 INFO L130 PetriNetUnfolder]: For 926/958 co-relation queries the response was YES. [2021-03-25 05:10:14,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 389 events. 174/389 cut-off events. For 926/958 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2177 event pairs, 19 based on Foata normal form. 6/373 useless extension candidates. Maximal degree in co-relation 1496. Up to 221 conditions per place. [2021-03-25 05:10:14,681 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-25 05:10:15,341 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2021-03-25 05:10:15,544 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-25 05:10:16,762 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 338 DAG size of output: 260 [2021-03-25 05:10:17,235 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-25 05:10:17,258 INFO L154 LiptonReduction]: Checked pairs total: 717 [2021-03-25 05:10:17,258 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:10:17,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2701 [2021-03-25 05:10:17,262 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 64 transitions, 535 flow [2021-03-25 05:10:17,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 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 05:10:17,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:17,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:17,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 05:10:17,263 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:17,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:17,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1938031362, now seen corresponding path program 1 times [2021-03-25 05:10:17,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:17,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783984444] [2021-03-25 05:10:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:10:17,364 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 05:10:17,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783984444] [2021-03-25 05:10:17,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:17,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:10:17,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872313545] [2021-03-25 05:10:17,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 05:10:17,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:17,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 05:10:17,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 05:10:17,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 178 [2021-03-25 05:10:17,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 64 transitions, 535 flow. Second operand has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 0 states have call successors, (0), 0 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 05:10:17,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:17,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 178 [2021-03-25 05:10:17,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:17,509 INFO L129 PetriNetUnfolder]: 254/532 cut-off events. [2021-03-25 05:10:17,509 INFO L130 PetriNetUnfolder]: For 1573/1740 co-relation queries the response was YES. [2021-03-25 05:10:17,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2404 conditions, 532 events. 254/532 cut-off events. For 1573/1740 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3129 event pairs, 60 based on Foata normal form. 27/536 useless extension candidates. Maximal degree in co-relation 2379. Up to 318 conditions per place. [2021-03-25 05:10:17,513 INFO L132 encePairwiseOnDemand]: 169/178 looper letters, 35 selfloop transitions, 27 changer transitions 0/75 dead transitions. [2021-03-25 05:10:17,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 75 transitions, 737 flow [2021-03-25 05:10:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:10:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:10:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 540 transitions. [2021-03-25 05:10:17,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7584269662921348 [2021-03-25 05:10:17,515 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 540 transitions. [2021-03-25 05:10:17,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 540 transitions. [2021-03-25 05:10:17,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:17,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 540 transitions. [2021-03-25 05:10:17,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 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 05:10:17,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 0 states have call successors, (0), 0 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 05:10:17,517 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 0 states have call successors, (0), 0 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 05:10:17,517 INFO L185 Difference]: Start difference. First operand has 56 places, 64 transitions, 535 flow. Second operand 4 states and 540 transitions. [2021-03-25 05:10:17,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 75 transitions, 737 flow [2021-03-25 05:10:17,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 75 transitions, 708 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-03-25 05:10:17,523 INFO L241 Difference]: Finished difference. Result has 59 places, 73 transitions, 670 flow [2021-03-25 05:10:17,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=670, PETRI_PLACES=59, PETRI_TRANSITIONS=73} [2021-03-25 05:10:17,524 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2021-03-25 05:10:17,524 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:17,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 73 transitions, 670 flow [2021-03-25 05:10:17,524 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 73 transitions, 670 flow [2021-03-25 05:10:17,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 73 transitions, 670 flow [2021-03-25 05:10:17,577 INFO L129 PetriNetUnfolder]: 187/468 cut-off events. [2021-03-25 05:10:17,577 INFO L130 PetriNetUnfolder]: For 1476/1528 co-relation queries the response was YES. [2021-03-25 05:10:17,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 468 events. 187/468 cut-off events. For 1476/1528 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2892 event pairs, 13 based on Foata normal form. 19/463 useless extension candidates. Maximal degree in co-relation 2039. Up to 237 conditions per place. [2021-03-25 05:10:17,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 546 [2021-03-25 05:10:17,604 INFO L154 LiptonReduction]: Checked pairs total: 813 [2021-03-25 05:10:17,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:17,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-25 05:10:17,605 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 73 transitions, 670 flow [2021-03-25 05:10:17,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 0 states have call successors, (0), 0 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 05:10:17,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:17,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:17,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 05:10:17,606 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:17,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 717652740, now seen corresponding path program 1 times [2021-03-25 05:10:17,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:17,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824517574] [2021-03-25 05:10:17,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:17,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:17,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:17,695 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.4 percent of original size [2021-03-25 05:10:17,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 05:10:17,740 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.2 percent of original size [2021-03-25 05:10:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 05:10:17,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:17,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:10:17,817 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 05:10:17,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824517574] [2021-03-25 05:10:17,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:17,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:10:17,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940975427] [2021-03-25 05:10:17,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:10:17,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:17,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:10:17,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:10:17,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 178 [2021-03-25 05:10:17,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 73 transitions, 670 flow. Second operand has 6 states, 6 states have (on average 125.16666666666667) internal successors, (751), 6 states have internal predecessors, (751), 0 states have call successors, (0), 0 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 05:10:17,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:17,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 178 [2021-03-25 05:10:17,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:18,101 INFO L129 PetriNetUnfolder]: 268/570 cut-off events. [2021-03-25 05:10:18,101 INFO L130 PetriNetUnfolder]: For 2082/2236 co-relation queries the response was YES. [2021-03-25 05:10:18,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2834 conditions, 570 events. 268/570 cut-off events. For 2082/2236 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 3443 event pairs, 9 based on Foata normal form. 37/588 useless extension candidates. Maximal degree in co-relation 2807. Up to 359 conditions per place. [2021-03-25 05:10:18,106 INFO L132 encePairwiseOnDemand]: 168/178 looper letters, 53 selfloop transitions, 28 changer transitions 0/94 dead transitions. [2021-03-25 05:10:18,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 94 transitions, 1017 flow [2021-03-25 05:10:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:10:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:10:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1030 transitions. [2021-03-25 05:10:18,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.723314606741573 [2021-03-25 05:10:18,109 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1030 transitions. [2021-03-25 05:10:18,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1030 transitions. [2021-03-25 05:10:18,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:18,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1030 transitions. [2021-03-25 05:10:18,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 128.75) internal successors, (1030), 8 states have internal predecessors, (1030), 0 states have call successors, (0), 0 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 05:10:18,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 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 05:10:18,114 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 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 05:10:18,114 INFO L185 Difference]: Start difference. First operand has 59 places, 73 transitions, 670 flow. Second operand 8 states and 1030 transitions. [2021-03-25 05:10:18,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 94 transitions, 1017 flow [2021-03-25 05:10:18,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 94 transitions, 1006 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-25 05:10:18,121 INFO L241 Difference]: Finished difference. Result has 69 places, 86 transitions, 899 flow [2021-03-25 05:10:18,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=899, PETRI_PLACES=69, PETRI_TRANSITIONS=86} [2021-03-25 05:10:18,121 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 22 predicate places. [2021-03-25 05:10:18,121 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:18,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 86 transitions, 899 flow [2021-03-25 05:10:18,122 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 86 transitions, 899 flow [2021-03-25 05:10:18,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 86 transitions, 899 flow [2021-03-25 05:10:18,190 INFO L129 PetriNetUnfolder]: 211/504 cut-off events. [2021-03-25 05:10:18,190 INFO L130 PetriNetUnfolder]: For 2249/2343 co-relation queries the response was YES. [2021-03-25 05:10:18,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2490 conditions, 504 events. 211/504 cut-off events. For 2249/2343 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3241 event pairs, 23 based on Foata normal form. 29/507 useless extension candidates. Maximal degree in co-relation 2460. Up to 252 conditions per place. [2021-03-25 05:10:18,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-25 05:10:18,239 INFO L154 LiptonReduction]: Checked pairs total: 1082 [2021-03-25 05:10:18,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:18,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119 [2021-03-25 05:10:18,240 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 86 transitions, 899 flow [2021-03-25 05:10:18,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 125.16666666666667) internal successors, (751), 6 states have internal predecessors, (751), 0 states have call successors, (0), 0 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 05:10:18,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:18,240 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:18,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 05:10:18,241 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash 2089748534, now seen corresponding path program 2 times [2021-03-25 05:10:18,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:18,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337601745] [2021-03-25 05:10:18,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:18,359 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-25 05:10:18,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 05:10:18,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:18,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:10:18,405 INFO L142 QuantifierPusher]: treesize reduction 31, result has 79.3 percent of original size [2021-03-25 05:10:18,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-03-25 05:10:18,459 INFO L142 QuantifierPusher]: treesize reduction 31, result has 78.9 percent of original size [2021-03-25 05:10:18,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-03-25 05:10:18,500 INFO L142 QuantifierPusher]: treesize reduction 31, result has 78.9 percent of original size [2021-03-25 05:10:18,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-03-25 05:10:18,534 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-25 05:10:18,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 05:10:18,556 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 05:10:18,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337601745] [2021-03-25 05:10:18,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:18,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:10:18,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103916840] [2021-03-25 05:10:18,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:10:18,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:18,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:10:18,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:10:18,557 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 178 [2021-03-25 05:10:18,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 86 transitions, 899 flow. Second operand has 8 states, 8 states have (on average 118.875) internal successors, (951), 8 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 05:10:18,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:18,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 178 [2021-03-25 05:10:18,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:18,900 INFO L129 PetriNetUnfolder]: 270/564 cut-off events. [2021-03-25 05:10:18,901 INFO L130 PetriNetUnfolder]: For 2988/3171 co-relation queries the response was YES. [2021-03-25 05:10:18,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3206 conditions, 564 events. 270/564 cut-off events. For 2988/3171 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3274 event pairs, 12 based on Foata normal form. 35/570 useless extension candidates. Maximal degree in co-relation 3174. Up to 311 conditions per place. [2021-03-25 05:10:18,906 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 50 selfloop transitions, 38 changer transitions 0/101 dead transitions. [2021-03-25 05:10:18,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 101 transitions, 1226 flow [2021-03-25 05:10:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 739 transitions. [2021-03-25 05:10:18,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6919475655430711 [2021-03-25 05:10:18,909 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 739 transitions. [2021-03-25 05:10:18,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 739 transitions. [2021-03-25 05:10:18,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:18,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 739 transitions. [2021-03-25 05:10:18,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 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 05:10:18,912 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 05:10:18,912 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 05:10:18,912 INFO L185 Difference]: Start difference. First operand has 69 places, 86 transitions, 899 flow. Second operand 6 states and 739 transitions. [2021-03-25 05:10:18,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 101 transitions, 1226 flow [2021-03-25 05:10:18,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 101 transitions, 1141 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-25 05:10:18,920 INFO L241 Difference]: Finished difference. Result has 71 places, 92 transitions, 1002 flow [2021-03-25 05:10:18,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1002, PETRI_PLACES=71, PETRI_TRANSITIONS=92} [2021-03-25 05:10:18,920 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 24 predicate places. [2021-03-25 05:10:18,920 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:18,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 92 transitions, 1002 flow [2021-03-25 05:10:18,921 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 92 transitions, 1002 flow [2021-03-25 05:10:18,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 92 transitions, 1002 flow [2021-03-25 05:10:18,980 INFO L129 PetriNetUnfolder]: 212/513 cut-off events. [2021-03-25 05:10:18,980 INFO L130 PetriNetUnfolder]: For 2965/3114 co-relation queries the response was YES. [2021-03-25 05:10:18,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2692 conditions, 513 events. 212/513 cut-off events. For 2965/3114 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3356 event pairs, 25 based on Foata normal form. 29/518 useless extension candidates. Maximal degree in co-relation 2662. Up to 239 conditions per place. [2021-03-25 05:10:18,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 676 [2021-03-25 05:10:19,022 INFO L154 LiptonReduction]: Checked pairs total: 1168 [2021-03-25 05:10:19,023 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:19,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-25 05:10:19,023 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 92 transitions, 1002 flow [2021-03-25 05:10:19,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 118.875) internal successors, (951), 8 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 05:10:19,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:19,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:19,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 05:10:19,024 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:19,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:19,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2118103686, now seen corresponding path program 2 times [2021-03-25 05:10:19,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:19,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268589568] [2021-03-25 05:10:19,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:19,083 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 05:10:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:10:19,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 05:10:19,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:19,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:19,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:10:19,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:10:19,154 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 05:10:19,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268589568] [2021-03-25 05:10:19,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:19,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:10:19,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897718290] [2021-03-25 05:10:19,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:10:19,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:19,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:10:19,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:10:19,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 178 [2021-03-25 05:10:19,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 92 transitions, 1002 flow. Second operand has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:10:19,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:19,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 178 [2021-03-25 05:10:19,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:19,398 INFO L129 PetriNetUnfolder]: 278/602 cut-off events. [2021-03-25 05:10:19,398 INFO L130 PetriNetUnfolder]: For 3696/3907 co-relation queries the response was YES. [2021-03-25 05:10:19,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3521 conditions, 602 events. 278/602 cut-off events. For 3696/3907 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 3814 event pairs, 8 based on Foata normal form. 63/648 useless extension candidates. Maximal degree in co-relation 3489. Up to 288 conditions per place. [2021-03-25 05:10:19,403 INFO L132 encePairwiseOnDemand]: 168/178 looper letters, 39 selfloop transitions, 59 changer transitions 0/111 dead transitions. [2021-03-25 05:10:19,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 111 transitions, 1408 flow [2021-03-25 05:10:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 739 transitions. [2021-03-25 05:10:19,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6919475655430711 [2021-03-25 05:10:19,406 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 739 transitions. [2021-03-25 05:10:19,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 739 transitions. [2021-03-25 05:10:19,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:19,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 739 transitions. [2021-03-25 05:10:19,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 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 05:10:19,408 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 05:10:19,409 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 05:10:19,409 INFO L185 Difference]: Start difference. First operand has 71 places, 92 transitions, 1002 flow. Second operand 6 states and 739 transitions. [2021-03-25 05:10:19,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 111 transitions, 1408 flow [2021-03-25 05:10:19,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 111 transitions, 1371 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 05:10:19,416 INFO L241 Difference]: Finished difference. Result has 75 places, 101 transitions, 1268 flow [2021-03-25 05:10:19,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1268, PETRI_PLACES=75, PETRI_TRANSITIONS=101} [2021-03-25 05:10:19,417 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 28 predicate places. [2021-03-25 05:10:19,417 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:19,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 101 transitions, 1268 flow [2021-03-25 05:10:19,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 101 transitions, 1268 flow [2021-03-25 05:10:19,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 101 transitions, 1268 flow [2021-03-25 05:10:19,475 INFO L129 PetriNetUnfolder]: 214/518 cut-off events. [2021-03-25 05:10:19,475 INFO L130 PetriNetUnfolder]: For 3612/3834 co-relation queries the response was YES. [2021-03-25 05:10:19,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2986 conditions, 518 events. 214/518 cut-off events. For 3612/3834 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3297 event pairs, 20 based on Foata normal form. 46/545 useless extension candidates. Maximal degree in co-relation 2955. Up to 236 conditions per place. [2021-03-25 05:10:19,480 INFO L142 LiptonReduction]: Number of co-enabled transitions 740 [2021-03-25 05:10:19,522 INFO L154 LiptonReduction]: Checked pairs total: 1694 [2021-03-25 05:10:19,522 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:19,522 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-03-25 05:10:19,523 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 101 transitions, 1268 flow [2021-03-25 05:10:19,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:10:19,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:19,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:19,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 05:10:19,524 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:19,524 INFO L82 PathProgramCache]: Analyzing trace with hash 2113636354, now seen corresponding path program 3 times [2021-03-25 05:10:19,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:19,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140605633] [2021-03-25 05:10:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:19,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:19,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:19,605 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.8 percent of original size [2021-03-25 05:10:19,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 05:10:19,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:19,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:19,644 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 05:10:19,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140605633] [2021-03-25 05:10:19,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:19,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:10:19,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786148949] [2021-03-25 05:10:19,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:10:19,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:19,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:10:19,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:10:19,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 178 [2021-03-25 05:10:19,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 101 transitions, 1268 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 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 05:10:19,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:19,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 178 [2021-03-25 05:10:19,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:19,916 INFO L129 PetriNetUnfolder]: 305/663 cut-off events. [2021-03-25 05:10:19,916 INFO L130 PetriNetUnfolder]: For 5916/6121 co-relation queries the response was YES. [2021-03-25 05:10:19,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4327 conditions, 663 events. 305/663 cut-off events. For 5916/6121 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 4204 event pairs, 13 based on Foata normal form. 48/683 useless extension candidates. Maximal degree in co-relation 4294. Up to 391 conditions per place. [2021-03-25 05:10:19,922 INFO L132 encePairwiseOnDemand]: 169/178 looper letters, 73 selfloop transitions, 49 changer transitions 1/136 dead transitions. [2021-03-25 05:10:19,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 136 transitions, 1995 flow [2021-03-25 05:10:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:19,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 767 transitions. [2021-03-25 05:10:19,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7181647940074907 [2021-03-25 05:10:19,925 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 767 transitions. [2021-03-25 05:10:19,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 767 transitions. [2021-03-25 05:10:19,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:19,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 767 transitions. [2021-03-25 05:10:19,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.83333333333333) internal successors, (767), 6 states have internal predecessors, (767), 0 states have call successors, (0), 0 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 05:10:19,928 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 05:10:19,928 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 05:10:19,928 INFO L185 Difference]: Start difference. First operand has 75 places, 101 transitions, 1268 flow. Second operand 6 states and 767 transitions. [2021-03-25 05:10:19,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 136 transitions, 1995 flow [2021-03-25 05:10:19,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 136 transitions, 1950 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-25 05:10:19,940 INFO L241 Difference]: Finished difference. Result has 79 places, 128 transitions, 1807 flow [2021-03-25 05:10:19,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1807, PETRI_PLACES=79, PETRI_TRANSITIONS=128} [2021-03-25 05:10:19,940 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 32 predicate places. [2021-03-25 05:10:19,940 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:19,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 128 transitions, 1807 flow [2021-03-25 05:10:19,940 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 128 transitions, 1807 flow [2021-03-25 05:10:19,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 128 transitions, 1807 flow [2021-03-25 05:10:20,030 INFO L129 PetriNetUnfolder]: 273/607 cut-off events. [2021-03-25 05:10:20,030 INFO L130 PetriNetUnfolder]: For 6187/6419 co-relation queries the response was YES. [2021-03-25 05:10:20,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3935 conditions, 607 events. 273/607 cut-off events. For 6187/6419 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 3793 event pairs, 29 based on Foata normal form. 55/626 useless extension candidates. Maximal degree in co-relation 3903. Up to 277 conditions per place. [2021-03-25 05:10:20,038 INFO L142 LiptonReduction]: Number of co-enabled transitions 818 [2021-03-25 05:10:20,108 INFO L154 LiptonReduction]: Checked pairs total: 2832 [2021-03-25 05:10:20,108 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:20,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 168 [2021-03-25 05:10:20,108 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 128 transitions, 1807 flow [2021-03-25 05:10:20,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 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 05:10:20,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:20,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:20,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 05:10:20,109 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:20,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:20,109 INFO L82 PathProgramCache]: Analyzing trace with hash 373814406, now seen corresponding path program 4 times [2021-03-25 05:10:20,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:20,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825546263] [2021-03-25 05:10:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:20,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:20,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:10:20,213 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.4 percent of original size [2021-03-25 05:10:20,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 05:10:20,244 INFO L142 QuantifierPusher]: treesize reduction 35, result has 76.2 percent of original size [2021-03-25 05:10:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-25 05:10:20,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:20,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:10:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:20,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:10:20,349 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 05:10:20,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825546263] [2021-03-25 05:10:20,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:20,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:10:20,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875081797] [2021-03-25 05:10:20,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:10:20,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:20,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:10:20,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:10:20,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 178 [2021-03-25 05:10:20,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 128 transitions, 1807 flow. Second operand has 8 states, 8 states have (on average 121.875) internal successors, (975), 8 states have internal predecessors, (975), 0 states have call successors, (0), 0 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 05:10:20,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:20,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 178 [2021-03-25 05:10:20,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:20,686 INFO L129 PetriNetUnfolder]: 304/674 cut-off events. [2021-03-25 05:10:20,687 INFO L130 PetriNetUnfolder]: For 6743/7035 co-relation queries the response was YES. [2021-03-25 05:10:20,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4759 conditions, 674 events. 304/674 cut-off events. For 6743/7035 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 4369 event pairs, 12 based on Foata normal form. 64/713 useless extension candidates. Maximal degree in co-relation 4725. Up to 323 conditions per place. [2021-03-25 05:10:20,693 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 57 selfloop transitions, 81 changer transitions 1/152 dead transitions. [2021-03-25 05:10:20,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 152 transitions, 2455 flow [2021-03-25 05:10:20,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 757 transitions. [2021-03-25 05:10:20,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7088014981273408 [2021-03-25 05:10:20,695 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 757 transitions. [2021-03-25 05:10:20,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 757 transitions. [2021-03-25 05:10:20,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:20,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 757 transitions. [2021-03-25 05:10:20,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 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 05:10:20,698 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 05:10:20,698 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 05:10:20,698 INFO L185 Difference]: Start difference. First operand has 79 places, 128 transitions, 1807 flow. Second operand 6 states and 757 transitions. [2021-03-25 05:10:20,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 152 transitions, 2455 flow [2021-03-25 05:10:20,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 152 transitions, 2436 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-03-25 05:10:20,713 INFO L241 Difference]: Finished difference. Result has 84 places, 140 transitions, 2249 flow [2021-03-25 05:10:20,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1792, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2249, PETRI_PLACES=84, PETRI_TRANSITIONS=140} [2021-03-25 05:10:20,713 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 37 predicate places. [2021-03-25 05:10:20,713 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:20,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 140 transitions, 2249 flow [2021-03-25 05:10:20,713 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 140 transitions, 2249 flow [2021-03-25 05:10:20,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 140 transitions, 2249 flow [2021-03-25 05:10:20,805 INFO L129 PetriNetUnfolder]: 280/646 cut-off events. [2021-03-25 05:10:20,805 INFO L130 PetriNetUnfolder]: For 8037/8471 co-relation queries the response was YES. [2021-03-25 05:10:20,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4413 conditions, 646 events. 280/646 cut-off events. For 8037/8471 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 4271 event pairs, 7 based on Foata normal form. 116/743 useless extension candidates. Maximal degree in co-relation 4379. Up to 284 conditions per place. [2021-03-25 05:10:20,813 INFO L142 LiptonReduction]: Number of co-enabled transitions 860 [2021-03-25 05:10:20,867 INFO L154 LiptonReduction]: Checked pairs total: 3290 [2021-03-25 05:10:20,867 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:20,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-25 05:10:20,869 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 140 transitions, 2249 flow [2021-03-25 05:10:20,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 121.875) internal successors, (975), 8 states have internal predecessors, (975), 0 states have call successors, (0), 0 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 05:10:20,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:20,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:20,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 05:10:20,871 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:20,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:20,871 INFO L82 PathProgramCache]: Analyzing trace with hash 717659064, now seen corresponding path program 1 times [2021-03-25 05:10:20,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:20,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834871511] [2021-03-25 05:10:20,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:20,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:20,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:20,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:20,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:20,906 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 05:10:20,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834871511] [2021-03-25 05:10:20,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:20,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:10:20,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83331292] [2021-03-25 05:10:20,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:10:20,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:20,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:10:20,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:10:20,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 178 [2021-03-25 05:10:20,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 140 transitions, 2249 flow. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 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 05:10:20,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:20,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 178 [2021-03-25 05:10:20,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:21,014 INFO L129 PetriNetUnfolder]: 332/766 cut-off events. [2021-03-25 05:10:21,014 INFO L130 PetriNetUnfolder]: For 9335/9558 co-relation queries the response was YES. [2021-03-25 05:10:21,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5363 conditions, 766 events. 332/766 cut-off events. For 9335/9558 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5236 event pairs, 36 based on Foata normal form. 70/789 useless extension candidates. Maximal degree in co-relation 5327. Up to 355 conditions per place. [2021-03-25 05:10:21,019 INFO L132 encePairwiseOnDemand]: 175/178 looper letters, 3 selfloop transitions, 3 changer transitions 26/140 dead transitions. [2021-03-25 05:10:21,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 140 transitions, 2261 flow [2021-03-25 05:10:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:10:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:10:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2021-03-25 05:10:21,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8651685393258427 [2021-03-25 05:10:21,021 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2021-03-25 05:10:21,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2021-03-25 05:10:21,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:21,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2021-03-25 05:10:21,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 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 05:10:21,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 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 05:10:21,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 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 05:10:21,023 INFO L185 Difference]: Start difference. First operand has 84 places, 140 transitions, 2249 flow. Second operand 3 states and 462 transitions. [2021-03-25 05:10:21,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 140 transitions, 2261 flow [2021-03-25 05:10:21,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 140 transitions, 2180 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-25 05:10:21,038 INFO L241 Difference]: Finished difference. Result has 85 places, 114 transitions, 1768 flow [2021-03-25 05:10:21,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=2168, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1768, PETRI_PLACES=85, PETRI_TRANSITIONS=114} [2021-03-25 05:10:21,038 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 38 predicate places. [2021-03-25 05:10:21,038 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:21,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 114 transitions, 1768 flow [2021-03-25 05:10:21,039 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 114 transitions, 1768 flow [2021-03-25 05:10:21,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 114 transitions, 1768 flow [2021-03-25 05:10:21,111 INFO L129 PetriNetUnfolder]: 261/593 cut-off events. [2021-03-25 05:10:21,111 INFO L130 PetriNetUnfolder]: For 7345/7676 co-relation queries the response was YES. [2021-03-25 05:10:21,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3967 conditions, 593 events. 261/593 cut-off events. For 7345/7676 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3728 event pairs, 7 based on Foata normal form. 99/656 useless extension candidates. Maximal degree in co-relation 3933. Up to 291 conditions per place. [2021-03-25 05:10:21,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 610 [2021-03-25 05:10:22,292 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 05:10:22,670 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 05:10:24,667 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 377 DAG size of output: 312 [2021-03-25 05:10:25,524 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-03-25 05:10:25,606 INFO L154 LiptonReduction]: Checked pairs total: 3046 [2021-03-25 05:10:25,606 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:10:25,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4568 [2021-03-25 05:10:25,606 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 114 transitions, 1780 flow [2021-03-25 05:10:25,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 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 05:10:25,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:25,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:25,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 05:10:25,607 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:25,607 INFO L82 PathProgramCache]: Analyzing trace with hash 772995270, now seen corresponding path program 1 times [2021-03-25 05:10:25,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:25,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180936866] [2021-03-25 05:10:25,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:25,652 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 05:10:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:10:25,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:25,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:10:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:10:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:10:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:10:25,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:25,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:10:25,727 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 05:10:25,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180936866] [2021-03-25 05:10:25,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:25,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:10:25,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86899322] [2021-03-25 05:10:25,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:10:25,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:25,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:10:25,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:10:25,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 179 [2021-03-25 05:10:25,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 114 transitions, 1780 flow. Second operand has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 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 05:10:25,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:25,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 179 [2021-03-25 05:10:25,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:26,274 INFO L129 PetriNetUnfolder]: 340/789 cut-off events. [2021-03-25 05:10:26,274 INFO L130 PetriNetUnfolder]: For 9080/9499 co-relation queries the response was YES. [2021-03-25 05:10:26,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5653 conditions, 789 events. 340/789 cut-off events. For 9080/9499 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 5395 event pairs, 0 based on Foata normal form. 163/908 useless extension candidates. Maximal degree in co-relation 5617. Up to 369 conditions per place. [2021-03-25 05:10:26,279 INFO L132 encePairwiseOnDemand]: 167/179 looper letters, 64 selfloop transitions, 77 changer transitions 15/169 dead transitions. [2021-03-25 05:10:26,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 169 transitions, 2845 flow [2021-03-25 05:10:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 05:10:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 05:10:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1601 transitions. [2021-03-25 05:10:26,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6880103137086377 [2021-03-25 05:10:26,283 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1601 transitions. [2021-03-25 05:10:26,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1601 transitions. [2021-03-25 05:10:26,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:26,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1601 transitions. [2021-03-25 05:10:26,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.15384615384616) internal successors, (1601), 13 states have internal predecessors, (1601), 0 states have call successors, (0), 0 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 05:10:26,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 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 05:10:26,288 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 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 05:10:26,288 INFO L185 Difference]: Start difference. First operand has 84 places, 114 transitions, 1780 flow. Second operand 13 states and 1601 transitions. [2021-03-25 05:10:26,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 169 transitions, 2845 flow [2021-03-25 05:10:26,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 169 transitions, 2693 flow, removed 66 selfloop flow, removed 3 redundant places. [2021-03-25 05:10:26,304 INFO L241 Difference]: Finished difference. Result has 98 places, 148 transitions, 2402 flow [2021-03-25 05:10:26,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=1680, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2402, PETRI_PLACES=98, PETRI_TRANSITIONS=148} [2021-03-25 05:10:26,304 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 51 predicate places. [2021-03-25 05:10:26,304 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:26,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 148 transitions, 2402 flow [2021-03-25 05:10:26,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 148 transitions, 2402 flow [2021-03-25 05:10:26,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 148 transitions, 2402 flow [2021-03-25 05:10:26,395 INFO L129 PetriNetUnfolder]: 292/692 cut-off events. [2021-03-25 05:10:26,395 INFO L130 PetriNetUnfolder]: For 9585/10007 co-relation queries the response was YES. [2021-03-25 05:10:26,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4898 conditions, 692 events. 292/692 cut-off events. For 9585/10007 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 4698 event pairs, 0 based on Foata normal form. 133/790 useless extension candidates. Maximal degree in co-relation 4859. Up to 284 conditions per place. [2021-03-25 05:10:26,403 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-25 05:10:26,579 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:10:26,937 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 05:10:27,049 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 05:10:27,204 INFO L154 LiptonReduction]: Checked pairs total: 5823 [2021-03-25 05:10:27,204 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:10:27,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 900 [2021-03-25 05:10:27,204 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 147 transitions, 2394 flow [2021-03-25 05:10:27,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 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 05:10:27,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:27,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:27,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 05:10:27,205 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:27,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:27,205 INFO L82 PathProgramCache]: Analyzing trace with hash 941388432, now seen corresponding path program 2 times [2021-03-25 05:10:27,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:27,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544114685] [2021-03-25 05:10:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:27,254 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 05:10:27,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:10:27,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:10:27,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:10:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:10:27,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:10:27,313 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-25 05:10:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:10:27,319 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 05:10:27,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544114685] [2021-03-25 05:10:27,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:27,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:10:27,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279474405] [2021-03-25 05:10:27,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:10:27,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:27,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:10:27,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:10:27,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 180 [2021-03-25 05:10:27,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 147 transitions, 2394 flow. Second operand has 8 states, 8 states have (on average 118.0) internal successors, (944), 8 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 05:10:27,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:27,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 180 [2021-03-25 05:10:27,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:27,670 INFO L129 PetriNetUnfolder]: 334/825 cut-off events. [2021-03-25 05:10:27,671 INFO L130 PetriNetUnfolder]: For 10671/10945 co-relation queries the response was YES. [2021-03-25 05:10:27,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6362 conditions, 825 events. 334/825 cut-off events. For 10671/10945 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 6037 event pairs, 0 based on Foata normal form. 103/885 useless extension candidates. Maximal degree in co-relation 6321. Up to 470 conditions per place. [2021-03-25 05:10:27,676 INFO L132 encePairwiseOnDemand]: 170/180 looper letters, 101 selfloop transitions, 29 changer transitions 28/171 dead transitions. [2021-03-25 05:10:27,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 171 transitions, 3059 flow [2021-03-25 05:10:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:10:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:10:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 856 transitions. [2021-03-25 05:10:27,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6793650793650794 [2021-03-25 05:10:27,679 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 856 transitions. [2021-03-25 05:10:27,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 856 transitions. [2021-03-25 05:10:27,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:27,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 856 transitions. [2021-03-25 05:10:27,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 122.28571428571429) internal successors, (856), 7 states have internal predecessors, (856), 0 states have call successors, (0), 0 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 05:10:27,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 05:10:27,691 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 05:10:27,691 INFO L185 Difference]: Start difference. First operand has 97 places, 147 transitions, 2394 flow. Second operand 7 states and 856 transitions. [2021-03-25 05:10:27,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 171 transitions, 3059 flow [2021-03-25 05:10:27,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 171 transitions, 2923 flow, removed 57 selfloop flow, removed 4 redundant places. [2021-03-25 05:10:27,712 INFO L241 Difference]: Finished difference. Result has 101 places, 139 transitions, 2190 flow [2021-03-25 05:10:27,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=2290, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2190, PETRI_PLACES=101, PETRI_TRANSITIONS=139} [2021-03-25 05:10:27,712 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 54 predicate places. [2021-03-25 05:10:27,712 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:27,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 139 transitions, 2190 flow [2021-03-25 05:10:27,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 139 transitions, 2190 flow [2021-03-25 05:10:27,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 139 transitions, 2190 flow [2021-03-25 05:10:27,792 INFO L129 PetriNetUnfolder]: 274/659 cut-off events. [2021-03-25 05:10:27,792 INFO L130 PetriNetUnfolder]: For 8597/8940 co-relation queries the response was YES. [2021-03-25 05:10:27,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4500 conditions, 659 events. 274/659 cut-off events. For 8597/8940 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 4480 event pairs, 1 based on Foata normal form. 116/742 useless extension candidates. Maximal degree in co-relation 4459. Up to 268 conditions per place. [2021-03-25 05:10:27,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 742 [2021-03-25 05:10:27,863 INFO L154 LiptonReduction]: Checked pairs total: 2462 [2021-03-25 05:10:27,863 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:27,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-03-25 05:10:27,864 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 139 transitions, 2190 flow [2021-03-25 05:10:27,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 118.0) internal successors, (944), 8 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 05:10:27,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:27,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:27,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 05:10:27,864 INFO L428 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:27,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:27,865 INFO L82 PathProgramCache]: Analyzing trace with hash 101971158, now seen corresponding path program 3 times [2021-03-25 05:10:27,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:27,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085099350] [2021-03-25 05:10:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:10:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:10:27,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:27,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:27,937 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 05:10:27,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085099350] [2021-03-25 05:10:27,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:27,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:10:27,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812927696] [2021-03-25 05:10:27,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:10:27,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:27,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:10:27,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:10:27,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 180 [2021-03-25 05:10:27,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 139 transitions, 2190 flow. Second operand has 6 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 0 states have call successors, (0), 0 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 05:10:27,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:27,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 180 [2021-03-25 05:10:27,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:28,294 INFO L129 PetriNetUnfolder]: 294/731 cut-off events. [2021-03-25 05:10:28,294 INFO L130 PetriNetUnfolder]: For 9256/9479 co-relation queries the response was YES. [2021-03-25 05:10:28,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5473 conditions, 731 events. 294/731 cut-off events. For 9256/9479 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 5207 event pairs, 0 based on Foata normal form. 93/781 useless extension candidates. Maximal degree in co-relation 5430. Up to 314 conditions per place. [2021-03-25 05:10:28,299 INFO L132 encePairwiseOnDemand]: 169/180 looper letters, 82 selfloop transitions, 43 changer transitions 22/160 dead transitions. [2021-03-25 05:10:28,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 160 transitions, 2759 flow [2021-03-25 05:10:28,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:10:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:10:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1166 transitions. [2021-03-25 05:10:28,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7197530864197531 [2021-03-25 05:10:28,302 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1166 transitions. [2021-03-25 05:10:28,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1166 transitions. [2021-03-25 05:10:28,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:28,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1166 transitions. [2021-03-25 05:10:28,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 129.55555555555554) internal successors, (1166), 9 states have internal predecessors, (1166), 0 states have call successors, (0), 0 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 05:10:28,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 180.0) internal successors, (1800), 10 states have internal predecessors, (1800), 0 states have call successors, (0), 0 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 05:10:28,305 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 180.0) internal successors, (1800), 10 states have internal predecessors, (1800), 0 states have call successors, (0), 0 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 05:10:28,305 INFO L185 Difference]: Start difference. First operand has 99 places, 139 transitions, 2190 flow. Second operand 9 states and 1166 transitions. [2021-03-25 05:10:28,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 160 transitions, 2759 flow [2021-03-25 05:10:28,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 160 transitions, 2667 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-25 05:10:28,321 INFO L241 Difference]: Finished difference. Result has 104 places, 131 transitions, 2074 flow [2021-03-25 05:10:28,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2074, PETRI_PLACES=104, PETRI_TRANSITIONS=131} [2021-03-25 05:10:28,322 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 57 predicate places. [2021-03-25 05:10:28,322 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:28,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 131 transitions, 2074 flow [2021-03-25 05:10:28,322 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 131 transitions, 2074 flow [2021-03-25 05:10:28,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 131 transitions, 2074 flow [2021-03-25 05:10:28,398 INFO L129 PetriNetUnfolder]: 246/634 cut-off events. [2021-03-25 05:10:28,398 INFO L130 PetriNetUnfolder]: For 8454/8717 co-relation queries the response was YES. [2021-03-25 05:10:28,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 634 events. 246/634 cut-off events. For 8454/8717 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 4452 event pairs, 3 based on Foata normal form. 108/715 useless extension candidates. Maximal degree in co-relation 4368. Up to 242 conditions per place. [2021-03-25 05:10:28,405 INFO L142 LiptonReduction]: Number of co-enabled transitions 716 [2021-03-25 05:10:29,062 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2021-03-25 05:10:29,287 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-25 05:10:31,277 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 338 DAG size of output: 264 [2021-03-25 05:10:31,767 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-03-25 05:10:31,841 INFO L154 LiptonReduction]: Checked pairs total: 4357 [2021-03-25 05:10:31,842 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:10:31,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3520 [2021-03-25 05:10:31,842 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 131 transitions, 2098 flow [2021-03-25 05:10:31,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 0 states have call successors, (0), 0 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 05:10:31,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:31,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:31,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 05:10:31,843 INFO L428 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:31,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:31,844 INFO L82 PathProgramCache]: Analyzing trace with hash -98258482, now seen corresponding path program 4 times [2021-03-25 05:10:31,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:31,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540932294] [2021-03-25 05:10:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:31,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:31,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:10:31,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:31,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:10:31,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:31,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:10:31,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:31,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:10:31,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:31,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:10:32,006 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 05:10:32,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540932294] [2021-03-25 05:10:32,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:32,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:10:32,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496468446] [2021-03-25 05:10:32,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:10:32,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:32,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:10:32,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:10:32,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 181 [2021-03-25 05:10:32,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 131 transitions, 2098 flow. Second operand has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 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 05:10:32,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:32,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 181 [2021-03-25 05:10:32,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:32,344 INFO L129 PetriNetUnfolder]: 242/659 cut-off events. [2021-03-25 05:10:32,344 INFO L130 PetriNetUnfolder]: For 9571/9819 co-relation queries the response was YES. [2021-03-25 05:10:32,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5102 conditions, 659 events. 242/659 cut-off events. For 9571/9819 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 4754 event pairs, 0 based on Foata normal form. 79/705 useless extension candidates. Maximal degree in co-relation 5058. Up to 251 conditions per place. [2021-03-25 05:10:32,351 INFO L132 encePairwiseOnDemand]: 168/181 looper letters, 65 selfloop transitions, 61 changer transitions 8/147 dead transitions. [2021-03-25 05:10:32,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 147 transitions, 2604 flow [2021-03-25 05:10:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:10:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:10:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1130 transitions. [2021-03-25 05:10:32,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6936771025168815 [2021-03-25 05:10:32,354 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1130 transitions. [2021-03-25 05:10:32,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1130 transitions. [2021-03-25 05:10:32,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:32,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1130 transitions. [2021-03-25 05:10:32,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 125.55555555555556) internal successors, (1130), 9 states have internal predecessors, (1130), 0 states have call successors, (0), 0 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 05:10:32,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 181.0) internal successors, (1810), 10 states have internal predecessors, (1810), 0 states have call successors, (0), 0 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 05:10:32,357 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 181.0) internal successors, (1810), 10 states have internal predecessors, (1810), 0 states have call successors, (0), 0 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 05:10:32,357 INFO L185 Difference]: Start difference. First operand has 104 places, 131 transitions, 2098 flow. Second operand 9 states and 1130 transitions. [2021-03-25 05:10:32,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 147 transitions, 2604 flow [2021-03-25 05:10:32,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 147 transitions, 2555 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-25 05:10:32,374 INFO L241 Difference]: Finished difference. Result has 111 places, 134 transitions, 2262 flow [2021-03-25 05:10:32,374 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=2050, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2262, PETRI_PLACES=111, PETRI_TRANSITIONS=134} [2021-03-25 05:10:32,374 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 64 predicate places. [2021-03-25 05:10:32,374 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:32,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 134 transitions, 2262 flow [2021-03-25 05:10:32,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 134 transitions, 2262 flow [2021-03-25 05:10:32,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 134 transitions, 2262 flow [2021-03-25 05:10:32,451 INFO L129 PetriNetUnfolder]: 228/613 cut-off events. [2021-03-25 05:10:32,451 INFO L130 PetriNetUnfolder]: For 9918/10186 co-relation queries the response was YES. [2021-03-25 05:10:32,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4639 conditions, 613 events. 228/613 cut-off events. For 9918/10186 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 4377 event pairs, 8 based on Foata normal form. 68/656 useless extension candidates. Maximal degree in co-relation 4595. Up to 235 conditions per place. [2021-03-25 05:10:32,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-25 05:10:32,508 INFO L154 LiptonReduction]: Checked pairs total: 2516 [2021-03-25 05:10:32,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:32,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-03-25 05:10:32,509 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 134 transitions, 2262 flow [2021-03-25 05:10:32,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 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 05:10:32,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:32,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:32,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 05:10:32,510 INFO L428 AbstractCegarLoop]: === Iteration 18 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:32,510 INFO L82 PathProgramCache]: Analyzing trace with hash 807966622, now seen corresponding path program 1 times [2021-03-25 05:10:32,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:32,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948604458] [2021-03-25 05:10:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:10:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:10:32,563 INFO L142 QuantifierPusher]: treesize reduction 36, result has 74.8 percent of original size [2021-03-25 05:10:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-03-25 05:10:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:32,608 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 05:10:32,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948604458] [2021-03-25 05:10:32,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:32,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:10:32,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771051855] [2021-03-25 05:10:32,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:10:32,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:32,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:10:32,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:10:32,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 181 [2021-03-25 05:10:32,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 134 transitions, 2262 flow. Second operand has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 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 05:10:32,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:32,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 181 [2021-03-25 05:10:32,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:32,842 INFO L129 PetriNetUnfolder]: 223/615 cut-off events. [2021-03-25 05:10:32,842 INFO L130 PetriNetUnfolder]: For 9745/9954 co-relation queries the response was YES. [2021-03-25 05:10:32,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5034 conditions, 615 events. 223/615 cut-off events. For 9745/9954 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 4384 event pairs, 8 based on Foata normal form. 77/661 useless extension candidates. Maximal degree in co-relation 4988. Up to 344 conditions per place. [2021-03-25 05:10:32,846 INFO L132 encePairwiseOnDemand]: 171/181 looper letters, 48 selfloop transitions, 57 changer transitions 18/136 dead transitions. [2021-03-25 05:10:32,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 136 transitions, 2532 flow [2021-03-25 05:10:32,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:10:32,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:10:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 753 transitions. [2021-03-25 05:10:32,848 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6933701657458563 [2021-03-25 05:10:32,848 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 753 transitions. [2021-03-25 05:10:32,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 753 transitions. [2021-03-25 05:10:32,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:32,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 753 transitions. [2021-03-25 05:10:32,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.5) internal successors, (753), 6 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 05:10:32,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 0 states have call successors, (0), 0 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 05:10:32,850 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 181.0) internal successors, (1267), 7 states have internal predecessors, (1267), 0 states have call successors, (0), 0 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 05:10:32,851 INFO L185 Difference]: Start difference. First operand has 111 places, 134 transitions, 2262 flow. Second operand 6 states and 753 transitions. [2021-03-25 05:10:32,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 136 transitions, 2532 flow [2021-03-25 05:10:32,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 136 transitions, 2449 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-25 05:10:32,871 INFO L241 Difference]: Finished difference. Result has 111 places, 116 transitions, 2001 flow [2021-03-25 05:10:32,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2001, PETRI_PLACES=111, PETRI_TRANSITIONS=116} [2021-03-25 05:10:32,871 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 64 predicate places. [2021-03-25 05:10:32,871 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:32,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 116 transitions, 2001 flow [2021-03-25 05:10:32,871 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 116 transitions, 2001 flow [2021-03-25 05:10:32,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 116 transitions, 2001 flow [2021-03-25 05:10:32,922 INFO L129 PetriNetUnfolder]: 139/403 cut-off events. [2021-03-25 05:10:32,922 INFO L130 PetriNetUnfolder]: For 7331/7494 co-relation queries the response was YES. [2021-03-25 05:10:32,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3146 conditions, 403 events. 139/403 cut-off events. For 7331/7494 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2590 event pairs, 5 based on Foata normal form. 78/460 useless extension candidates. Maximal degree in co-relation 3102. Up to 147 conditions per place. [2021-03-25 05:10:32,927 INFO L142 LiptonReduction]: Number of co-enabled transitions 606 [2021-03-25 05:10:32,943 INFO L154 LiptonReduction]: Checked pairs total: 1629 [2021-03-25 05:10:32,943 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:10:32,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-25 05:10:32,944 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 116 transitions, 2001 flow [2021-03-25 05:10:32,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 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 05:10:32,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:32,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:32,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 05:10:32,944 INFO L428 AbstractCegarLoop]: === Iteration 19 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:32,945 INFO L82 PathProgramCache]: Analyzing trace with hash -659445883, now seen corresponding path program 1 times [2021-03-25 05:10:32,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:32,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321382598] [2021-03-25 05:10:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:32,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:32,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:32,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:10:32,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321382598] [2021-03-25 05:10:32,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:32,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:10:32,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497381842] [2021-03-25 05:10:32,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:10:32,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:32,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:10:32,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:10:32,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 181 [2021-03-25 05:10:33,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 116 transitions, 2001 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 05:10:33,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:33,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 181 [2021-03-25 05:10:33,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:33,095 INFO L129 PetriNetUnfolder]: 242/595 cut-off events. [2021-03-25 05:10:33,095 INFO L130 PetriNetUnfolder]: For 10508/10713 co-relation queries the response was YES. [2021-03-25 05:10:33,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3154 conditions, 595 events. 242/595 cut-off events. For 10508/10713 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 3944 event pairs, 85 based on Foata normal form. 185/739 useless extension candidates. Maximal degree in co-relation 3108. Up to 333 conditions per place. [2021-03-25 05:10:33,100 INFO L132 encePairwiseOnDemand]: 175/181 looper letters, 14 selfloop transitions, 8 changer transitions 0/89 dead transitions. [2021-03-25 05:10:33,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 89 transitions, 1388 flow [2021-03-25 05:10:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 05:10:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 05:10:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2021-03-25 05:10:33,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8486187845303867 [2021-03-25 05:10:33,101 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 768 transitions. [2021-03-25 05:10:33,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 768 transitions. [2021-03-25 05:10:33,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:33,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 768 transitions. [2021-03-25 05:10:33,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 0 states have call successors, (0), 0 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 05:10:33,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 181.0) internal successors, (1086), 6 states have internal predecessors, (1086), 0 states have call successors, (0), 0 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 05:10:33,103 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 181.0) internal successors, (1086), 6 states have internal predecessors, (1086), 0 states have call successors, (0), 0 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 05:10:33,103 INFO L185 Difference]: Start difference. First operand has 111 places, 116 transitions, 2001 flow. Second operand 5 states and 768 transitions. [2021-03-25 05:10:33,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 89 transitions, 1388 flow [2021-03-25 05:10:33,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 89 transitions, 1275 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-25 05:10:33,116 INFO L241 Difference]: Finished difference. Result has 106 places, 86 transitions, 1295 flow [2021-03-25 05:10:33,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=1211, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1295, PETRI_PLACES=106, PETRI_TRANSITIONS=86} [2021-03-25 05:10:33,116 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 59 predicate places. [2021-03-25 05:10:33,116 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:33,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 86 transitions, 1295 flow [2021-03-25 05:10:33,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 86 transitions, 1295 flow [2021-03-25 05:10:33,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 86 transitions, 1295 flow [2021-03-25 05:10:33,177 INFO L129 PetriNetUnfolder]: 243/596 cut-off events. [2021-03-25 05:10:33,177 INFO L130 PetriNetUnfolder]: For 7178/7353 co-relation queries the response was YES. [2021-03-25 05:10:33,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3363 conditions, 596 events. 243/596 cut-off events. For 7178/7353 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 4039 event pairs, 70 based on Foata normal form. 50/593 useless extension candidates. Maximal degree in co-relation 3320. Up to 333 conditions per place. [2021-03-25 05:10:33,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 512 [2021-03-25 05:10:33,423 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:10:33,904 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2021-03-25 05:10:34,056 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 05:10:34,794 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 172 [2021-03-25 05:10:35,046 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-25 05:10:37,223 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 376 DAG size of output: 270 [2021-03-25 05:10:37,917 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-03-25 05:10:38,701 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 165 [2021-03-25 05:10:38,943 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-25 05:10:40,663 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 365 DAG size of output: 245 [2021-03-25 05:10:41,304 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-03-25 05:10:42,692 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 270 DAG size of output: 211 [2021-03-25 05:10:43,262 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 05:10:46,260 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-25 05:10:47,632 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 305 [2021-03-25 05:10:47,946 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:10:48,066 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-25 05:10:48,653 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2021-03-25 05:10:48,862 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-25 05:10:48,869 INFO L154 LiptonReduction]: Checked pairs total: 19 [2021-03-25 05:10:48,870 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 05:10:48,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15754 [2021-03-25 05:10:48,871 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 85 transitions, 1324 flow [2021-03-25 05:10:48,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 05:10:48,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:48,872 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:48,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 05:10:48,872 INFO L428 AbstractCegarLoop]: === Iteration 20 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:48,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:48,872 INFO L82 PathProgramCache]: Analyzing trace with hash 948360719, now seen corresponding path program 1 times [2021-03-25 05:10:48,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:48,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455382058] [2021-03-25 05:10:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:48,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:48,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:48,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:48,946 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 05:10:48,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455382058] [2021-03-25 05:10:48,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:48,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:10:48,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660665426] [2021-03-25 05:10:48,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 05:10:48,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:48,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 05:10:48,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 05:10:48,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 186 [2021-03-25 05:10:48,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 85 transitions, 1324 flow. Second operand has 5 states, 5 states have (on average 155.8) internal successors, (779), 5 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 05:10:48,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:48,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 186 [2021-03-25 05:10:48,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:49,082 INFO L129 PetriNetUnfolder]: 147/436 cut-off events. [2021-03-25 05:10:49,082 INFO L130 PetriNetUnfolder]: For 7725/8601 co-relation queries the response was YES. [2021-03-25 05:10:49,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 436 events. 147/436 cut-off events. For 7725/8601 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 2979 event pairs, 12 based on Foata normal form. 353/758 useless extension candidates. Maximal degree in co-relation 2464. Up to 264 conditions per place. [2021-03-25 05:10:49,085 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 5 selfloop transitions, 15 changer transitions 4/79 dead transitions. [2021-03-25 05:10:49,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 79 transitions, 1177 flow [2021-03-25 05:10:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:10:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:10:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1110 transitions. [2021-03-25 05:10:49,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8525345622119815 [2021-03-25 05:10:49,089 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1110 transitions. [2021-03-25 05:10:49,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1110 transitions. [2021-03-25 05:10:49,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:49,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1110 transitions. [2021-03-25 05:10:49,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.57142857142858) internal successors, (1110), 7 states have internal predecessors, (1110), 0 states have call successors, (0), 0 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 05:10:49,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 05:10:49,091 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 05:10:49,091 INFO L185 Difference]: Start difference. First operand has 105 places, 85 transitions, 1324 flow. Second operand 7 states and 1110 transitions. [2021-03-25 05:10:49,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 79 transitions, 1177 flow [2021-03-25 05:10:49,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 79 transitions, 1025 flow, removed 20 selfloop flow, removed 11 redundant places. [2021-03-25 05:10:49,101 INFO L241 Difference]: Finished difference. Result has 103 places, 75 transitions, 1006 flow [2021-03-25 05:10:49,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1006, PETRI_PLACES=103, PETRI_TRANSITIONS=75} [2021-03-25 05:10:49,102 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 56 predicate places. [2021-03-25 05:10:49,102 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:49,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 75 transitions, 1006 flow [2021-03-25 05:10:49,102 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 75 transitions, 1006 flow [2021-03-25 05:10:49,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 75 transitions, 1006 flow [2021-03-25 05:10:49,141 INFO L129 PetriNetUnfolder]: 131/410 cut-off events. [2021-03-25 05:10:49,142 INFO L130 PetriNetUnfolder]: For 4161/4421 co-relation queries the response was YES. [2021-03-25 05:10:49,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2371 conditions, 410 events. 131/410 cut-off events. For 4161/4421 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 2872 event pairs, 12 based on Foata normal form. 32/417 useless extension candidates. Maximal degree in co-relation 2331. Up to 240 conditions per place. [2021-03-25 05:10:49,147 INFO L142 LiptonReduction]: Number of co-enabled transitions 498 [2021-03-25 05:10:49,154 INFO L154 LiptonReduction]: Checked pairs total: 71 [2021-03-25 05:10:49,154 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:10:49,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-25 05:10:49,155 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 73 transitions, 990 flow [2021-03-25 05:10:49,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 155.8) internal successors, (779), 5 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 05:10:49,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:49,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:10:49,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 05:10:49,155 INFO L428 AbstractCegarLoop]: === Iteration 21 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:49,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1790817574, now seen corresponding path program 1 times [2021-03-25 05:10:49,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:49,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570531243] [2021-03-25 05:10:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:49,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:49,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:49,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:49,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:10:49,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:49,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:10:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:49,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:10:49,231 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 05:10:49,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570531243] [2021-03-25 05:10:49,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:49,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:10:49,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156605848] [2021-03-25 05:10:49,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:10:49,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:49,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:10:49,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:10:49,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 186 [2021-03-25 05:10:49,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 73 transitions, 990 flow. Second operand has 6 states, 6 states have (on average 155.83333333333334) internal successors, (935), 6 states have internal predecessors, (935), 0 states have call successors, (0), 0 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 05:10:49,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:49,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 186 [2021-03-25 05:10:49,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:49,328 INFO L129 PetriNetUnfolder]: 67/222 cut-off events. [2021-03-25 05:10:49,328 INFO L130 PetriNetUnfolder]: For 2750/2888 co-relation queries the response was YES. [2021-03-25 05:10:49,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1442 conditions, 222 events. 67/222 cut-off events. For 2750/2888 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1195 event pairs, 0 based on Foata normal form. 68/281 useless extension candidates. Maximal degree in co-relation 1400. Up to 117 conditions per place. [2021-03-25 05:10:49,330 INFO L132 encePairwiseOnDemand]: 180/186 looper letters, 2 selfloop transitions, 11 changer transitions 9/69 dead transitions. [2021-03-25 05:10:49,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 69 transitions, 971 flow [2021-03-25 05:10:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:10:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:10:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1103 transitions. [2021-03-25 05:10:49,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.84715821812596 [2021-03-25 05:10:49,332 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1103 transitions. [2021-03-25 05:10:49,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1103 transitions. [2021-03-25 05:10:49,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:49,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1103 transitions. [2021-03-25 05:10:49,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 157.57142857142858) internal successors, (1103), 7 states have internal predecessors, (1103), 0 states have call successors, (0), 0 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 05:10:49,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 05:10:49,335 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 186.0) internal successors, (1488), 8 states have internal predecessors, (1488), 0 states have call successors, (0), 0 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 05:10:49,335 INFO L185 Difference]: Start difference. First operand has 102 places, 73 transitions, 990 flow. Second operand 7 states and 1103 transitions. [2021-03-25 05:10:49,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 69 transitions, 971 flow [2021-03-25 05:10:49,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 69 transitions, 861 flow, removed 28 selfloop flow, removed 11 redundant places. [2021-03-25 05:10:49,342 INFO L241 Difference]: Finished difference. Result has 95 places, 60 transitions, 755 flow [2021-03-25 05:10:49,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=755, PETRI_PLACES=95, PETRI_TRANSITIONS=60} [2021-03-25 05:10:49,342 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 48 predicate places. [2021-03-25 05:10:49,342 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:49,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 60 transitions, 755 flow [2021-03-25 05:10:49,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 60 transitions, 755 flow [2021-03-25 05:10:49,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 60 transitions, 755 flow [2021-03-25 05:10:49,363 INFO L129 PetriNetUnfolder]: 51/196 cut-off events. [2021-03-25 05:10:49,363 INFO L130 PetriNetUnfolder]: For 1071/1105 co-relation queries the response was YES. [2021-03-25 05:10:49,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 196 events. 51/196 cut-off events. For 1071/1105 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1064 event pairs, 0 based on Foata normal form. 8/195 useless extension candidates. Maximal degree in co-relation 1107. Up to 65 conditions per place. [2021-03-25 05:10:49,365 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-25 05:10:50,366 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2021-03-25 05:10:50,686 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-25 05:10:53,928 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 338 DAG size of output: 264 [2021-03-25 05:10:54,768 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-03-25 05:10:55,153 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 05:10:55,629 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 05:10:56,679 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 254 [2021-03-25 05:10:57,654 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-25 05:10:57,658 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-25 05:10:57,659 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:10:57,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8317 [2021-03-25 05:10:57,659 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 57 transitions, 741 flow [2021-03-25 05:10:57,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.83333333333334) internal successors, (935), 6 states have internal predecessors, (935), 0 states have call successors, (0), 0 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 05:10:57,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:10:57,659 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 05:10:57,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 05:10:57,660 INFO L428 AbstractCegarLoop]: === Iteration 22 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:10:57,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:10:57,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1635128032, now seen corresponding path program 1 times [2021-03-25 05:10:57,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:10:57,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992082754] [2021-03-25 05:10:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:10:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:10:57,767 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 05:10:57,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:10:57,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:57,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:10:57,829 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-03-25 05:10:57,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:10:57,864 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size [2021-03-25 05:10:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 05:10:57,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:10:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:10:57,911 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 05:10:57,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992082754] [2021-03-25 05:10:57,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:10:57,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:10:57,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832279156] [2021-03-25 05:10:57,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:10:57,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:10:57,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:10:57,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:10:57,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 188 [2021-03-25 05:10:57,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 57 transitions, 741 flow. Second operand has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 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 05:10:57,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:10:57,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 188 [2021-03-25 05:10:57,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:10:58,200 INFO L129 PetriNetUnfolder]: 68/227 cut-off events. [2021-03-25 05:10:58,200 INFO L130 PetriNetUnfolder]: For 1641/1721 co-relation queries the response was YES. [2021-03-25 05:10:58,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 227 events. 68/227 cut-off events. For 1641/1721 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1339 event pairs, 0 based on Foata normal form. 16/232 useless extension candidates. Maximal degree in co-relation 1363. Up to 83 conditions per place. [2021-03-25 05:10:58,202 INFO L132 encePairwiseOnDemand]: 180/188 looper letters, 24 selfloop transitions, 11 changer transitions 15/66 dead transitions. [2021-03-25 05:10:58,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 66 transitions, 967 flow [2021-03-25 05:10:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:10:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:10:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 872 transitions. [2021-03-25 05:10:58,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.662613981762918 [2021-03-25 05:10:58,205 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 872 transitions. [2021-03-25 05:10:58,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 872 transitions. [2021-03-25 05:10:58,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:10:58,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 872 transitions. [2021-03-25 05:10:58,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.57142857142857) internal successors, (872), 7 states have internal predecessors, (872), 0 states have call successors, (0), 0 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 05:10:58,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 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 05:10:58,208 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 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 05:10:58,208 INFO L185 Difference]: Start difference. First operand has 91 places, 57 transitions, 741 flow. Second operand 7 states and 872 transitions. [2021-03-25 05:10:58,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 66 transitions, 967 flow [2021-03-25 05:10:58,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 66 transitions, 899 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-03-25 05:10:58,214 INFO L241 Difference]: Finished difference. Result has 88 places, 50 transitions, 620 flow [2021-03-25 05:10:58,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=620, PETRI_PLACES=88, PETRI_TRANSITIONS=50} [2021-03-25 05:10:58,214 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 41 predicate places. [2021-03-25 05:10:58,214 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:10:58,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 50 transitions, 620 flow [2021-03-25 05:10:58,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 50 transitions, 620 flow [2021-03-25 05:10:58,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 50 transitions, 620 flow [2021-03-25 05:10:58,224 INFO L129 PetriNetUnfolder]: 22/93 cut-off events. [2021-03-25 05:10:58,224 INFO L130 PetriNetUnfolder]: For 551/562 co-relation queries the response was YES. [2021-03-25 05:10:58,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 93 events. 22/93 cut-off events. For 551/562 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 365 event pairs, 0 based on Foata normal form. 3/93 useless extension candidates. Maximal degree in co-relation 472. Up to 22 conditions per place. [2021-03-25 05:10:58,225 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-25 05:10:59,589 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:11:00,209 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:11:03,035 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:11:04,509 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:11:06,182 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:11:06,957 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:11:10,360 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:11:11,968 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:11:13,854 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:11:14,768 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:11:19,125 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:11:20,856 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:11:23,273 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:11:24,582 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:11:29,448 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:11:31,613 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:11:35,508 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-03-25 05:11:36,729 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 175 [2021-03-25 05:11:41,822 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:11:44,239 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:11:45,493 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-25 05:11:45,634 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-25 05:11:45,638 INFO L154 LiptonReduction]: Checked pairs total: 108 [2021-03-25 05:11:45,639 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 05:11:45,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47425 [2021-03-25 05:11:45,639 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 48 transitions, 636 flow [2021-03-25 05:11:45,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 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 05:11:45,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:11:45,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:11:45,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 05:11:45,640 INFO L428 AbstractCegarLoop]: === Iteration 23 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:11:45,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:11:45,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1037671424, now seen corresponding path program 1 times [2021-03-25 05:11:45,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:11:45,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056880413] [2021-03-25 05:11:45,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:11:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:11:45,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:11:45,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:11:45,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-25 05:11:45,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:11:45,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:11:45,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:11:45,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:11:45,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:11:45,782 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 05:11:45,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056880413] [2021-03-25 05:11:45,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:11:45,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:11:45,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492134085] [2021-03-25 05:11:45,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:11:45,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:11:45,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:11:45,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:11:45,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 197 [2021-03-25 05:11:45,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 48 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 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 05:11:45,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:11:45,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 197 [2021-03-25 05:11:45,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:11:46,326 INFO L129 PetriNetUnfolder]: 27/100 cut-off events. [2021-03-25 05:11:46,326 INFO L130 PetriNetUnfolder]: For 795/825 co-relation queries the response was YES. [2021-03-25 05:11:46,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 100 events. 27/100 cut-off events. For 795/825 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 429 event pairs, 0 based on Foata normal form. 5/102 useless extension candidates. Maximal degree in co-relation 559. Up to 33 conditions per place. [2021-03-25 05:11:46,327 INFO L132 encePairwiseOnDemand]: 185/197 looper letters, 22 selfloop transitions, 9 changer transitions 6/51 dead transitions. [2021-03-25 05:11:46,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 51 transitions, 746 flow [2021-03-25 05:11:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:11:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:11:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 887 transitions. [2021-03-25 05:11:46,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6432197244379986 [2021-03-25 05:11:46,333 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 887 transitions. [2021-03-25 05:11:46,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 887 transitions. [2021-03-25 05:11:46,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:11:46,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 887 transitions. [2021-03-25 05:11:46,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 126.71428571428571) internal successors, (887), 7 states have internal predecessors, (887), 0 states have call successors, (0), 0 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 05:11:46,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:11:46,336 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:11:46,336 INFO L185 Difference]: Start difference. First operand has 83 places, 48 transitions, 636 flow. Second operand 7 states and 887 transitions. [2021-03-25 05:11:46,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 51 transitions, 746 flow [2021-03-25 05:11:46,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 51 transitions, 694 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-03-25 05:11:46,341 INFO L241 Difference]: Finished difference. Result has 82 places, 45 transitions, 562 flow [2021-03-25 05:11:46,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=562, PETRI_PLACES=82, PETRI_TRANSITIONS=45} [2021-03-25 05:11:46,341 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 35 predicate places. [2021-03-25 05:11:46,341 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:11:46,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 45 transitions, 562 flow [2021-03-25 05:11:46,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 45 transitions, 562 flow [2021-03-25 05:11:46,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 45 transitions, 562 flow [2021-03-25 05:11:46,352 INFO L129 PetriNetUnfolder]: 21/82 cut-off events. [2021-03-25 05:11:46,352 INFO L130 PetriNetUnfolder]: For 412/416 co-relation queries the response was YES. [2021-03-25 05:11:46,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 82 events. 21/82 cut-off events. For 412/416 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 306 event pairs, 0 based on Foata normal form. 3/82 useless extension candidates. Maximal degree in co-relation 432. Up to 22 conditions per place. [2021-03-25 05:11:46,353 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-25 05:11:46,354 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:11:46,354 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:11:46,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 05:11:46,355 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 45 transitions, 562 flow [2021-03-25 05:11:46,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 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 05:11:46,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:11:46,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:11:46,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 05:11:46,356 INFO L428 AbstractCegarLoop]: === Iteration 24 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:11:46,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:11:46,356 INFO L82 PathProgramCache]: Analyzing trace with hash 848067102, now seen corresponding path program 1 times [2021-03-25 05:11:46,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:11:46,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944430285] [2021-03-25 05:11:46,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:11:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:11:46,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:11:46,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:11:46,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:11:46,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:11:46,438 INFO L142 QuantifierPusher]: treesize reduction 17, result has 74.6 percent of original size [2021-03-25 05:11:46,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 05:11:46,508 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-25 05:11:46,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:11:46,609 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-25 05:11:46,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:11:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:11:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:11:46,694 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 05:11:46,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944430285] [2021-03-25 05:11:46,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:11:46,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:11:46,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634304267] [2021-03-25 05:11:46,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:11:46,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:11:46,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:11:46,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:11:46,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 197 [2021-03-25 05:11:46,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 45 transitions, 562 flow. Second operand has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 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 05:11:46,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:11:46,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 197 [2021-03-25 05:11:46,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:11:47,264 INFO L129 PetriNetUnfolder]: 24/90 cut-off events. [2021-03-25 05:11:47,264 INFO L130 PetriNetUnfolder]: For 553/565 co-relation queries the response was YES. [2021-03-25 05:11:47,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 90 events. 24/90 cut-off events. For 553/565 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 363 event pairs, 0 based on Foata normal form. 5/92 useless extension candidates. Maximal degree in co-relation 485. Up to 26 conditions per place. [2021-03-25 05:11:47,265 INFO L132 encePairwiseOnDemand]: 185/197 looper letters, 15 selfloop transitions, 6 changer transitions 13/48 dead transitions. [2021-03-25 05:11:47,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 48 transitions, 675 flow [2021-03-25 05:11:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:11:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:11:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 873 transitions. [2021-03-25 05:11:47,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6330674401740392 [2021-03-25 05:11:47,271 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 873 transitions. [2021-03-25 05:11:47,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 873 transitions. [2021-03-25 05:11:47,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:11:47,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 873 transitions. [2021-03-25 05:11:47,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.71428571428571) internal successors, (873), 7 states have internal predecessors, (873), 0 states have call successors, (0), 0 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 05:11:47,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:11:47,273 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 197.0) internal successors, (1576), 8 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:11:47,273 INFO L185 Difference]: Start difference. First operand has 77 places, 45 transitions, 562 flow. Second operand 7 states and 873 transitions. [2021-03-25 05:11:47,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 48 transitions, 675 flow [2021-03-25 05:11:47,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 48 transitions, 634 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 05:11:47,277 INFO L241 Difference]: Finished difference. Result has 77 places, 34 transitions, 379 flow [2021-03-25 05:11:47,277 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=379, PETRI_PLACES=77, PETRI_TRANSITIONS=34} [2021-03-25 05:11:47,277 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 30 predicate places. [2021-03-25 05:11:47,277 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:11:47,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 34 transitions, 379 flow [2021-03-25 05:11:47,278 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 34 transitions, 379 flow [2021-03-25 05:11:47,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 34 transitions, 379 flow [2021-03-25 05:11:47,285 INFO L129 PetriNetUnfolder]: 12/51 cut-off events. [2021-03-25 05:11:47,285 INFO L130 PetriNetUnfolder]: For 249/252 co-relation queries the response was YES. [2021-03-25 05:11:47,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 51 events. 12/51 cut-off events. For 249/252 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 136 event pairs, 0 based on Foata normal form. 3/54 useless extension candidates. Maximal degree in co-relation 249. Up to 14 conditions per place. [2021-03-25 05:11:47,285 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 05:11:48,202 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:11:48,579 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-25 05:11:50,038 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 05:11:50,604 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 05:11:50,608 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:11:50,608 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:11:50,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3331 [2021-03-25 05:11:50,608 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 34 transitions, 389 flow [2021-03-25 05:11:50,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 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 05:11:50,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:11:50,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:11:50,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 05:11:50,609 INFO L428 AbstractCegarLoop]: === Iteration 25 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:11:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:11:50,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1130306539, now seen corresponding path program 1 times [2021-03-25 05:11:50,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:11:50,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621754310] [2021-03-25 05:11:50,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:11:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 05:11:50,636 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 05:11:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 05:11:50,684 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 05:11:50,731 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 05:11:50,731 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 05:11:50,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 05:11:50,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:11:50 BasicIcfg [2021-03-25 05:11:50,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 05:11:50,817 INFO L168 Benchmark]: Toolchain (without parser) took 112805.73 ms. Allocated memory was 346.0 MB in the beginning and 1.2 GB in the end (delta: 903.9 MB). Free memory was 308.4 MB in the beginning and 939.5 MB in the end (delta: -631.1 MB). Peak memory consumption was 273.3 MB. Max. memory is 16.0 GB. [2021-03-25 05:11:50,817 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 346.0 MB. Free memory was 326.9 MB in the beginning and 326.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 05:11:50,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.73 ms. Allocated memory is still 346.0 MB. Free memory was 308.3 MB in the beginning and 303.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-03-25 05:11:50,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 346.0 MB. Free memory was 303.4 MB in the beginning and 301.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 05:11:50,817 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 ms. Allocated memory is still 346.0 MB. Free memory was 301.3 MB in the beginning and 298.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:11:50,818 INFO L168 Benchmark]: RCFGBuilder took 2029.67 ms. Allocated memory was 346.0 MB in the beginning and 455.1 MB in the end (delta: 109.1 MB). Free memory was 298.1 MB in the beginning and 330.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 165.5 MB. Max. memory is 16.0 GB. [2021-03-25 05:11:50,818 INFO L168 Benchmark]: TraceAbstraction took 110252.19 ms. Allocated memory was 455.1 MB in the beginning and 1.2 GB in the end (delta: 794.8 MB). Free memory was 330.8 MB in the beginning and 939.5 MB in the end (delta: -608.6 MB). Peak memory consumption was 186.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:11:50,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 346.0 MB. Free memory was 326.9 MB in the beginning and 326.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 454.73 ms. Allocated memory is still 346.0 MB. Free memory was 308.3 MB in the beginning and 303.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 346.0 MB. Free memory was 303.4 MB in the beginning and 301.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.10 ms. Allocated memory is still 346.0 MB. Free memory was 301.3 MB in the beginning and 298.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2029.67 ms. Allocated memory was 346.0 MB in the beginning and 455.1 MB in the end (delta: 109.1 MB). Free memory was 298.1 MB in the beginning and 330.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 165.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 110252.19 ms. Allocated memory was 455.1 MB in the beginning and 1.2 GB in the end (delta: 794.8 MB). Free memory was 330.8 MB in the beginning and 939.5 MB in the end (delta: -608.6 MB). Peak memory consumption was 186.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4567.9ms, 102 PlacesBefore, 47 PlacesAfterwards, 94 TransitionsBefore, 38 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 6 FixpointIterations, 25 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 65 TotalNumberOfCompositions, 3146 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1371, positive: 1282, positive conditional: 0, positive unconditional: 1282, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 810, positive: 785, positive conditional: 0, positive unconditional: 785, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 810, positive: 785, positive conditional: 0, positive unconditional: 785, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1371, positive: 497, positive conditional: 0, positive unconditional: 497, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 810, unknown conditional: 0, unknown unconditional: 810] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5511.0ms, 44 PlacesBefore, 33 PlacesAfterwards, 35 TransitionsBefore, 24 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 310, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 310, positive: 193, positive conditional: 0, positive unconditional: 193, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 40, unknown conditional: 0, unknown unconditional: 40] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 944.0ms, 36 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 21 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 738 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 129, positive conditional: 0, positive unconditional: 129, 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: 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: 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] , Cache Queries: [ total: 189, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.6ms, 37 PlacesBefore, 37 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.0ms, 39 PlacesBefore, 39 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, 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: 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] , Cache Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 837.5ms, 46 PlacesBefore, 46 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 356 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 241 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2700.4ms, 56 PlacesBefore, 56 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 717 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 21, positive conditional: 0, positive unconditional: 21, 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: 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: 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] , Cache Queries: [ total: 49, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.3ms, 59 PlacesBefore, 59 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 813 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 24, negative conditional: 0, negative unconditional: 24, 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: 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] , Cache Queries: [ total: 26, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 117.8ms, 69 PlacesBefore, 69 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1082 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 51, positive conditional: 0, positive unconditional: 51, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1168 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 61, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 29, negative conditional: 0, negative unconditional: 29, 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: 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] , Cache Queries: [ total: 61, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.9ms, 75 PlacesBefore, 75 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 740 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1694 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 37, negative conditional: 0, negative unconditional: 37, 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: 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] , Cache Queries: [ total: 106, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.6ms, 79 PlacesBefore, 79 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2832 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 115, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 53, negative conditional: 0, negative unconditional: 53, 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: 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] , Cache Queries: [ total: 115, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.1ms, 84 PlacesBefore, 84 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 860 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3290 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 61, negative conditional: 0, negative unconditional: 61, 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: 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] , Cache Queries: [ total: 128, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4567.2ms, 85 PlacesBefore, 84 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 610 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3046 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 200, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 111, negative conditional: 0, negative unconditional: 111, 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: 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] , Cache Queries: [ total: 200, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 899.4ms, 98 PlacesBefore, 97 PlacesAfterwards, 148 TransitionsBefore, 147 TransitionsAfterwards, 778 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5823 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 845, positive: 695, positive conditional: 0, positive unconditional: 695, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 845, positive: 688, positive conditional: 0, positive unconditional: 688, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.0ms, 101 PlacesBefore, 99 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2462 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 482, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 66, negative conditional: 0, negative unconditional: 66, 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: 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] , Cache Queries: [ total: 482, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3519.4ms, 104 PlacesBefore, 104 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 716 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4357 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 652, positive: 536, positive conditional: 0, positive unconditional: 536, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 652, positive: 529, positive conditional: 0, positive unconditional: 529, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 134.1ms, 111 PlacesBefore, 111 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 424, positive: 362, positive conditional: 0, positive unconditional: 362, negative: 62, negative conditional: 0, negative unconditional: 62, 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: 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] , Cache Queries: [ total: 424, positive: 361, positive conditional: 0, positive unconditional: 361, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.5ms, 111 PlacesBefore, 111 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1629 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 54, negative conditional: 0, negative unconditional: 54, 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: 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] , Cache Queries: [ total: 102, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15751.5ms, 106 PlacesBefore, 105 PlacesAfterwards, 86 TransitionsBefore, 85 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 19 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, 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: 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] , Cache Queries: [ total: 19, positive: 12, positive conditional: 0, positive unconditional: 12, 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): 63, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.6ms, 103 PlacesBefore, 102 PlacesAfterwards, 75 TransitionsBefore, 73 TransitionsAfterwards, 498 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 71 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 71, positive conditional: 0, positive unconditional: 71, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8316.2ms, 95 PlacesBefore, 91 PlacesAfterwards, 60 TransitionsBefore, 57 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47424.3ms, 88 PlacesBefore, 83 PlacesAfterwards, 50 TransitionsBefore, 48 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 104, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9ms, 82 PlacesBefore, 77 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3330.2ms, 77 PlacesBefore, 69 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L719] 0 _Bool x$flush_delayed; [L720] 0 int x$mem_tmp; [L721] 0 _Bool x$r_buff0_thd0; [L722] 0 _Bool x$r_buff0_thd1; [L723] 0 _Bool x$r_buff0_thd2; [L724] 0 _Bool x$r_buff0_thd3; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$r_buff1_thd3; [L729] 0 _Bool x$read_delayed; [L730] 0 int *x$read_delayed_var; [L731] 0 int x$w_buff0; [L732] 0 _Bool x$w_buff0_used; [L733] 0 int x$w_buff1; [L734] 0 _Bool x$w_buff1_used; [L736] 0 int y = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L849] 0 pthread_t t2537; [L850] FCALL, FORK 0 pthread_create(&t2537, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t2538; [L852] FCALL, FORK 0 pthread_create(&t2538, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L853] 0 pthread_t t2539; [L854] FCALL, FORK 0 pthread_create(&t2539, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 3 x$w_buff1 = x$w_buff0 [L813] 3 x$w_buff0 = 2 [L814] 3 x$w_buff1_used = x$w_buff0_used [L815] 3 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L817] 3 x$r_buff1_thd0 = x$r_buff0_thd0 [L818] 3 x$r_buff1_thd1 = x$r_buff0_thd1 [L819] 3 x$r_buff1_thd2 = x$r_buff0_thd2 [L820] 3 x$r_buff1_thd3 = x$r_buff0_thd3 [L821] 3 x$r_buff0_thd3 = (_Bool)1 [L824] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] 1 y = 2 [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=54, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; [L772] 2 x = 1 [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L776] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L777] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L778] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L779] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 x$flush_delayed = weak$$choice2 [L785] 2 x$mem_tmp = x [L786] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L786] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = x [L794] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L794] 2 x = x$flush_delayed ? x$mem_tmp : x [L795] 2 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=58, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 2 return 0; [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L836] 3 return 0; [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L867] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L868] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L869] 0 x$flush_delayed = weak$$choice2 [L870] 0 x$mem_tmp = x [L871] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1) [L879] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L879] 0 x = x$flush_delayed ? x$mem_tmp : x [L880] 0 x$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 110068.3ms, OverallIterations: 25, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6571.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4630.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 141 SDslu, 46 SDs, 0 SdLazy, 1212 SolverSat, 531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1953.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 2752.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2402occurred in iteration=14, InterpolantAutomatonStates: 153, 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: 89.3ms SsaConstructionTime, 666.0ms SatisfiabilityAnalysisTime, 2705.2ms InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 341 ConstructedInterpolants, 0 QuantifiedInterpolants, 3398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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...