/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:41:42,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:41:42,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:41:42,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:41:42,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:41:42,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:41:42,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:41:42,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:41:43,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:41:43,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:41:43,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:41:43,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:41:43,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:41:43,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:41:43,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:41:43,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:41:43,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:41:43,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:41:43,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:41:43,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:41:43,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:41:43,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:41:43,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:41:43,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:41:43,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:41:43,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:41:43,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:41:43,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:41:43,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:41:43,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:41:43,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:41:43,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:41:43,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:41:43,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:41:43,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:41:43,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:41:43,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:41:43,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:41:43,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:41:43,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:41:43,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:41:43,093 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:41:43,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:41:43,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:41:43,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:41:43,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:41:43,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:41:43,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:41:43,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:41:43,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:41:43,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:41:43,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:41:43,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:41:43,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:41:43,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:41:43,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:41:43,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:41:43,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:41:43,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:41:43,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:41:43,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:41:43,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:41:43,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:41:43,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:41:43,098 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:41:43,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:41:43,098 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:41:43,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:41:43,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:41:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:41:43,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:41:43,428 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:41:43,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i [2021-03-25 14:41:43,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3520e042/03342b5c69f14ec28fe330e7d967f7fa/FLAGf321f5643 [2021-03-25 14:41:44,064 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:41:44,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i [2021-03-25 14:41:44,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3520e042/03342b5c69f14ec28fe330e7d967f7fa/FLAGf321f5643 [2021-03-25 14:41:44,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3520e042/03342b5c69f14ec28fe330e7d967f7fa [2021-03-25 14:41:44,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:41:44,388 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:41:44,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:41:44,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:41:44,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:41:44,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3dd1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:44, skipping insertion in model container [2021-03-25 14:41:44,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:41:44" (1/1) ... [2021-03-25 14:41:44,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:41:44,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:41:44,626 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/rfi002_pso.opt.i[991,1004] [2021-03-25 14:41:44,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:41:44,908 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:41:44,918 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/rfi002_pso.opt.i[991,1004] [2021-03-25 14:41:44,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:41:45,051 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:41:45,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45 WrapperNode [2021-03-25 14:41:45,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:41:45,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:41:45,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:41:45,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:41:45,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:41:45,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:41:45,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:41:45,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:41:45,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... [2021-03-25 14:41:45,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:41:45,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:41:45,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:41:45,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:41:45,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:41:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:41:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:41:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:41:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:41:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:41:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:41:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:41:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:41:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:41:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:41:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:41:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:41:45,245 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:41:48,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:41:48,033 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:41:48,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:41:48 BoogieIcfgContainer [2021-03-25 14:41:48,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:41:48,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:41:48,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:41:48,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:41:48,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:41:44" (1/3) ... [2021-03-25 14:41:48,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f12df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:41:48, skipping insertion in model container [2021-03-25 14:41:48,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:41:45" (2/3) ... [2021-03-25 14:41:48,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f12df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:41:48, skipping insertion in model container [2021-03-25 14:41:48,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:41:48" (3/3) ... [2021-03-25 14:41:48,041 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.opt.i [2021-03-25 14:41:48,046 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:41:48,053 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:41:48,054 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:41:48,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,091 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,119 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:41:48,157 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:41:48,173 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 14:41:48,205 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:41:48,205 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:41:48,205 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:41:48,205 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:41:48,206 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:41:48,206 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:41:48,206 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:41:48,206 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:41:48,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 14:41:48,263 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 14:41:48,264 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:48,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 14:41:48,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-25 14:41:48,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:48,274 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:41:48,284 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:48,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:48,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-25 14:41:48,314 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-25 14:41:48,314 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:48,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-25 14:41:48,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-25 14:41:49,337 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 14:41:49,947 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-03-25 14:41:51,422 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-03-25 14:41:52,035 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-25 14:41:52,319 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:41:52,702 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:41:52,811 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:41:54,087 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:41:54,391 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 14:41:55,021 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-25 14:41:55,633 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-25 14:41:56,548 INFO L154 LiptonReduction]: Checked pairs total: 1858 [2021-03-25 14:41:56,548 INFO L156 LiptonReduction]: Total number of compositions: 57 [2021-03-25 14:41:56,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8281 [2021-03-25 14:41:56,566 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 14:41:56,566 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:56,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:41:56,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:41:56,567 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:41:56,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:41:56,573 INFO L82 PathProgramCache]: Analyzing trace with hash 985276753, now seen corresponding path program 1 times [2021-03-25 14:41:56,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:41:56,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331504996] [2021-03-25 14:41:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:41:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:41:56,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:41:56,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:41:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:41:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:41:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:41:56,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331504996] [2021-03-25 14:41:56,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:41:56,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:41:56,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170122406] [2021-03-25 14:41:56,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:41:56,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:41:56,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:41:56,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:41:56,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 142 [2021-03-25 14:41:56,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:56,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:41:56,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 142 [2021-03-25 14:41:56,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:41:57,008 INFO L129 PetriNetUnfolder]: 57/161 cut-off events. [2021-03-25 14:41:57,008 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:57,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 161 events. 57/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 699 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 256. Up to 88 conditions per place. [2021-03-25 14:41:57,012 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 12 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-25 14:41:57,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 104 flow [2021-03-25 14:41:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:41:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:41:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2021-03-25 14:41:57,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8568075117370892 [2021-03-25 14:41:57,031 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2021-03-25 14:41:57,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2021-03-25 14:41:57,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:41:57,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2021-03-25 14:41:57,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,047 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:41:57,048 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 365 transitions. [2021-03-25 14:41:57,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 104 flow [2021-03-25 14:41:57,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:41:57,053 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-25 14:41:57,055 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-25 14:41:57,056 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:41:57,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2021-03-25 14:41:57,062 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 14:41:57,063 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:41:57,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:41:57,063 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-25 14:41:57,872 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:41:58,192 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 14:41:58,736 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:41:59,397 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 14:41:59,982 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 14:42:00,258 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 14:42:00,863 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-25 14:42:01,504 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-25 14:42:02,283 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 173 [2021-03-25 14:42:02,548 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-03-25 14:42:03,906 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 298 DAG size of output: 254 [2021-03-25 14:42:04,465 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-03-25 14:42:04,469 INFO L154 LiptonReduction]: Checked pairs total: 754 [2021-03-25 14:42:04,469 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 14:42:04,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7414 [2021-03-25 14:42:04,470 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 48 flow [2021-03-25 14:42:04,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:04,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:04,471 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 14:42:04,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:42:04,471 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash 575567191, now seen corresponding path program 1 times [2021-03-25 14:42:04,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:04,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310549513] [2021-03-25 14:42:04,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:04,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310549513] [2021-03-25 14:42:04,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:04,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:42:04,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484530579] [2021-03-25 14:42:04,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:42:04,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:04,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:42:04,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:42:04,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 153 [2021-03-25 14:42:04,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 121.75) internal successors, (487), 4 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:04,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:04,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 153 [2021-03-25 14:42:04,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:04,638 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-03-25 14:42:04,638 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:04,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 23 events. 1/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 27. Up to 3 conditions per place. [2021-03-25 14:42:04,638 INFO L132 encePairwiseOnDemand]: 149/153 looper letters, 1 selfloop transitions, 2 changer transitions 4/22 dead transitions. [2021-03-25 14:42:04,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 64 flow [2021-03-25 14:42:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:42:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:42:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 612 transitions. [2021-03-25 14:42:04,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-03-25 14:42:04,641 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 612 transitions. [2021-03-25 14:42:04,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 612 transitions. [2021-03-25 14:42:04,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:04,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 612 transitions. [2021-03-25 14:42:04,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 122.4) internal successors, (612), 5 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:04,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:04,646 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:04,646 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 48 flow. Second operand 5 states and 612 transitions. [2021-03-25 14:42:04,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 64 flow [2021-03-25 14:42:04,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:04,647 INFO L241 Difference]: Finished difference. Result has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:04,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=30, PETRI_TRANSITIONS=18} [2021-03-25 14:42:04,648 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-25 14:42:04,648 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:04,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:04,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-25 14:42:04,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 48 flow [2021-03-25 14:42:04,653 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 14:42:04,653 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:04,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:04,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:05,184 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:42:05,301 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:42:05,560 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:42:05,687 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:42:05,693 INFO L154 LiptonReduction]: Checked pairs total: 411 [2021-03-25 14:42:05,694 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:05,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1046 [2021-03-25 14:42:05,695 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 44 flow [2021-03-25 14:42:05,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 121.75) internal successors, (487), 4 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:05,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:05,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:42:05,696 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:05,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:05,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1586145498, now seen corresponding path program 1 times [2021-03-25 14:42:05,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:05,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885583822] [2021-03-25 14:42:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:05,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:05,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:05,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885583822] [2021-03-25 14:42:05,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:05,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:42:05,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419163600] [2021-03-25 14:42:05,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:42:05,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:42:05,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:42:05,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 155 [2021-03-25 14:42:05,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:05,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 155 [2021-03-25 14:42:05,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:05,799 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-25 14:42:05,799 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 14:42:05,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:05,800 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 1 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2021-03-25 14:42:05,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 16 transitions, 50 flow [2021-03-25 14:42:05,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:42:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:42:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2021-03-25 14:42:05,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8731182795698925 [2021-03-25 14:42:05,802 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 406 transitions. [2021-03-25 14:42:05,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 406 transitions. [2021-03-25 14:42:05,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:05,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 406 transitions. [2021-03-25 14:42:05,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,805 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,805 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 44 flow. Second operand 3 states and 406 transitions. [2021-03-25 14:42:05,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 16 transitions, 50 flow [2021-03-25 14:42:05,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 16 transitions, 46 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:05,806 INFO L241 Difference]: Finished difference. Result has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:05,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2021-03-25 14:42:05,806 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -13 predicate places. [2021-03-25 14:42:05,806 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:05,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:05,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:05,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:05,811 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-25 14:42:05,811 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 14:42:05,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 16 events. 0/16 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:42:05,811 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-25 14:42:05,812 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-25 14:42:05,812 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:05,812 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-25 14:42:05,813 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 48 flow [2021-03-25 14:42:05,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:05,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:05,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:05,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:42:05,814 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:05,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2146702797, now seen corresponding path program 1 times [2021-03-25 14:42:05,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:05,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894571173] [2021-03-25 14:42:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:05,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:42:05,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-25 14:42:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 14:42:05,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:05,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:05,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894571173] [2021-03-25 14:42:05,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:05,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:42:05,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129380096] [2021-03-25 14:42:05,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:42:05,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:05,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:42:05,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:42:05,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 155 [2021-03-25 14:42:05,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 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 14:42:05,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:05,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 155 [2021-03-25 14:42:05,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:06,065 INFO L129 PetriNetUnfolder]: 54/135 cut-off events. [2021-03-25 14:42:06,066 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-03-25 14:42:06,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 135 events. 54/135 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 589 event pairs, 16 based on Foata normal form. 4/136 useless extension candidates. Maximal degree in co-relation 296. Up to 68 conditions per place. [2021-03-25 14:42:06,067 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 8 selfloop transitions, 5 changer transitions 6/26 dead transitions. [2021-03-25 14:42:06,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 26 transitions, 113 flow [2021-03-25 14:42:06,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:42:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:42:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 468 transitions. [2021-03-25 14:42:06,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7548387096774194 [2021-03-25 14:42:06,069 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 468 transitions. [2021-03-25 14:42:06,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 468 transitions. [2021-03-25 14:42:06,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:06,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 468 transitions. [2021-03-25 14:42:06,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,073 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 155.0) internal successors, (775), 5 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,073 INFO L185 Difference]: Start difference. First operand has 25 places, 16 transitions, 48 flow. Second operand 4 states and 468 transitions. [2021-03-25 14:42:06,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 26 transitions, 113 flow [2021-03-25 14:42:06,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 26 transitions, 105 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:06,074 INFO L241 Difference]: Finished difference. Result has 28 places, 20 transitions, 80 flow [2021-03-25 14:42:06,075 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2021-03-25 14:42:06,075 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-03-25 14:42:06,075 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:06,075 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 20 transitions, 80 flow [2021-03-25 14:42:06,075 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 20 transitions, 80 flow [2021-03-25 14:42:06,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 80 flow [2021-03-25 14:42:06,092 INFO L129 PetriNetUnfolder]: 22/77 cut-off events. [2021-03-25 14:42:06,092 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-25 14:42:06,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 77 events. 22/77 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 303 event pairs, 11 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 159. Up to 44 conditions per place. [2021-03-25 14:42:06,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 14:42:06,100 INFO L154 LiptonReduction]: Checked pairs total: 35 [2021-03-25 14:42:06,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:06,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-25 14:42:06,105 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 80 flow [2021-03-25 14:42:06,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 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 14:42:06,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:06,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:06,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:42:06,106 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:06,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1757834541, now seen corresponding path program 2 times [2021-03-25 14:42:06,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:06,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102063855] [2021-03-25 14:42:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:06,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:06,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:06,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:06,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:06,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102063855] [2021-03-25 14:42:06,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:06,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:06,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670237156] [2021-03-25 14:42:06,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:06,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:06,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:06,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:06,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 155 [2021-03-25 14:42:06,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 80 flow. Second operand has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:06,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 155 [2021-03-25 14:42:06,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:06,599 INFO L129 PetriNetUnfolder]: 53/130 cut-off events. [2021-03-25 14:42:06,599 INFO L130 PetriNetUnfolder]: For 64/82 co-relation queries the response was YES. [2021-03-25 14:42:06,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 130 events. 53/130 cut-off events. For 64/82 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 523 event pairs, 5 based on Foata normal form. 4/131 useless extension candidates. Maximal degree in co-relation 381. Up to 76 conditions per place. [2021-03-25 14:42:06,600 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 18 selfloop transitions, 20 changer transitions 0/44 dead transitions. [2021-03-25 14:42:06,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 44 transitions, 254 flow [2021-03-25 14:42:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:42:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:42:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 857 transitions. [2021-03-25 14:42:06,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6911290322580645 [2021-03-25 14:42:06,604 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 857 transitions. [2021-03-25 14:42:06,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 857 transitions. [2021-03-25 14:42:06,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:06,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 857 transitions. [2021-03-25 14:42:06,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 107.125) internal successors, (857), 8 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,609 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,609 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 80 flow. Second operand 8 states and 857 transitions. [2021-03-25 14:42:06,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 44 transitions, 254 flow [2021-03-25 14:42:06,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 44 transitions, 241 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:06,611 INFO L241 Difference]: Finished difference. Result has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:06,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=215, PETRI_PLACES=35, PETRI_TRANSITIONS=36} [2021-03-25 14:42:06,612 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2021-03-25 14:42:06,612 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:06,612 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:06,612 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:06,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:06,629 INFO L129 PetriNetUnfolder]: 42/120 cut-off events. [2021-03-25 14:42:06,629 INFO L130 PetriNetUnfolder]: For 84/86 co-relation queries the response was YES. [2021-03-25 14:42:06,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 120 events. 42/120 cut-off events. For 84/86 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 522 event pairs, 9 based on Foata normal form. 1/117 useless extension candidates. Maximal degree in co-relation 346. Up to 70 conditions per place. [2021-03-25 14:42:06,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:06,634 INFO L154 LiptonReduction]: Checked pairs total: 81 [2021-03-25 14:42:06,634 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:06,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-25 14:42:06,635 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 36 transitions, 215 flow [2021-03-25 14:42:06,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:06,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:06,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:42:06,635 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:06,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:06,636 INFO L82 PathProgramCache]: Analyzing trace with hash 2098048549, now seen corresponding path program 3 times [2021-03-25 14:42:06,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:06,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763718816] [2021-03-25 14:42:06,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:06,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:06,746 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 14:42:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:42:06,761 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 14:42:06,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:06,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:06,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:06,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763718816] [2021-03-25 14:42:06,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:06,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:06,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329148780] [2021-03-25 14:42:06,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:06,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:06,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:06,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:06,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 155 [2021-03-25 14:42:06,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 36 transitions, 215 flow. Second operand has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:06,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 155 [2021-03-25 14:42:06,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:06,922 INFO L129 PetriNetUnfolder]: 51/138 cut-off events. [2021-03-25 14:42:06,922 INFO L130 PetriNetUnfolder]: For 177/197 co-relation queries the response was YES. [2021-03-25 14:42:06,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 138 events. 51/138 cut-off events. For 177/197 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 608 event pairs, 15 based on Foata normal form. 9/143 useless extension candidates. Maximal degree in co-relation 522. Up to 81 conditions per place. [2021-03-25 14:42:06,924 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 14 selfloop transitions, 11 changer transitions 14/47 dead transitions. [2021-03-25 14:42:06,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 47 transitions, 371 flow [2021-03-25 14:42:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:42:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:42:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 564 transitions. [2021-03-25 14:42:06,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.727741935483871 [2021-03-25 14:42:06,927 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 564 transitions. [2021-03-25 14:42:06,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 564 transitions. [2021-03-25 14:42:06,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:06,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 564 transitions. [2021-03-25 14:42:06,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,930 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,931 INFO L185 Difference]: Start difference. First operand has 35 places, 36 transitions, 215 flow. Second operand 5 states and 564 transitions. [2021-03-25 14:42:06,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 47 transitions, 371 flow [2021-03-25 14:42:06,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 47 transitions, 370 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:42:06,938 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 238 flow [2021-03-25 14:42:06,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=238, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-03-25 14:42:06,938 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-25 14:42:06,939 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:06,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 33 transitions, 238 flow [2021-03-25 14:42:06,940 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 33 transitions, 238 flow [2021-03-25 14:42:06,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 238 flow [2021-03-25 14:42:06,957 INFO L129 PetriNetUnfolder]: 31/100 cut-off events. [2021-03-25 14:42:06,957 INFO L130 PetriNetUnfolder]: For 174/176 co-relation queries the response was YES. [2021-03-25 14:42:06,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 100 events. 31/100 cut-off events. For 174/176 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 427 event pairs, 4 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 340. Up to 59 conditions per place. [2021-03-25 14:42:06,958 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-25 14:42:06,961 INFO L154 LiptonReduction]: Checked pairs total: 74 [2021-03-25 14:42:06,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:06,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-25 14:42:06,962 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 238 flow [2021-03-25 14:42:06,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:06,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:06,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:06,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:42:06,963 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:06,963 INFO L82 PathProgramCache]: Analyzing trace with hash -303139277, now seen corresponding path program 4 times [2021-03-25 14:42:06,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:06,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354744259] [2021-03-25 14:42:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:07,074 INFO L142 QuantifierPusher]: treesize reduction 10, result has 44.4 percent of original size [2021-03-25 14:42:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 14:42:07,081 INFO L142 QuantifierPusher]: treesize reduction 10, result has 44.4 percent of original size [2021-03-25 14:42:07,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 14:42:07,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:07,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 14:42:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:07,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354744259] [2021-03-25 14:42:07,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:07,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:07,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066088868] [2021-03-25 14:42:07,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:07,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:07,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:07,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:07,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 155 [2021-03-25 14:42:07,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:07,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 155 [2021-03-25 14:42:07,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:07,316 INFO L129 PetriNetUnfolder]: 38/105 cut-off events. [2021-03-25 14:42:07,316 INFO L130 PetriNetUnfolder]: For 227/251 co-relation queries the response was YES. [2021-03-25 14:42:07,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 105 events. 38/105 cut-off events. For 227/251 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 421 event pairs, 4 based on Foata normal form. 9/113 useless extension candidates. Maximal degree in co-relation 444. Up to 64 conditions per place. [2021-03-25 14:42:07,317 INFO L132 encePairwiseOnDemand]: 146/155 looper letters, 17 selfloop transitions, 16 changer transitions 1/40 dead transitions. [2021-03-25 14:42:07,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 346 flow [2021-03-25 14:42:07,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:07,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 745 transitions. [2021-03-25 14:42:07,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6866359447004609 [2021-03-25 14:42:07,321 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 745 transitions. [2021-03-25 14:42:07,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 745 transitions. [2021-03-25 14:42:07,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:07,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 745 transitions. [2021-03-25 14:42:07,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 106.42857142857143) internal successors, (745), 7 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 14:42:07,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,325 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,325 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 238 flow. Second operand 7 states and 745 transitions. [2021-03-25 14:42:07,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 346 flow [2021-03-25 14:42:07,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 329 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 14:42:07,329 INFO L241 Difference]: Finished difference. Result has 43 places, 34 transitions, 277 flow [2021-03-25 14:42:07,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=277, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2021-03-25 14:42:07,329 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-03-25 14:42:07,329 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:07,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 34 transitions, 277 flow [2021-03-25 14:42:07,330 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 34 transitions, 277 flow [2021-03-25 14:42:07,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 277 flow [2021-03-25 14:42:07,350 INFO L129 PetriNetUnfolder]: 31/99 cut-off events. [2021-03-25 14:42:07,350 INFO L130 PetriNetUnfolder]: For 239/245 co-relation queries the response was YES. [2021-03-25 14:42:07,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 99 events. 31/99 cut-off events. For 239/245 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 406 event pairs, 12 based on Foata normal form. 1/99 useless extension candidates. Maximal degree in co-relation 376. Up to 59 conditions per place. [2021-03-25 14:42:07,351 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-25 14:42:07,354 INFO L154 LiptonReduction]: Checked pairs total: 51 [2021-03-25 14:42:07,354 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:07,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-25 14:42:07,357 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 277 flow [2021-03-25 14:42:07,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:07,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:07,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:42:07,357 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:07,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:07,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1744729383, now seen corresponding path program 1 times [2021-03-25 14:42:07,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:07,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154087834] [2021-03-25 14:42:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:07,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:07,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:07,453 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-25 14:42:07,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 14:42:07,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:07,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:07,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154087834] [2021-03-25 14:42:07,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:07,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:42:07,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700528749] [2021-03-25 14:42:07,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:42:07,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:07,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:42:07,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:42:07,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 155 [2021-03-25 14:42:07,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 277 flow. Second operand has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:07,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 155 [2021-03-25 14:42:07,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:07,610 INFO L129 PetriNetUnfolder]: 39/110 cut-off events. [2021-03-25 14:42:07,611 INFO L130 PetriNetUnfolder]: For 281/295 co-relation queries the response was YES. [2021-03-25 14:42:07,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 110 events. 39/110 cut-off events. For 281/295 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 455 event pairs, 4 based on Foata normal form. 4/113 useless extension candidates. Maximal degree in co-relation 497. Up to 65 conditions per place. [2021-03-25 14:42:07,612 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 19 selfloop transitions, 15 changer transitions 1/41 dead transitions. [2021-03-25 14:42:07,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 391 flow [2021-03-25 14:42:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 652 transitions. [2021-03-25 14:42:07,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7010752688172043 [2021-03-25 14:42:07,615 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 652 transitions. [2021-03-25 14:42:07,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 652 transitions. [2021-03-25 14:42:07,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:07,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 652 transitions. [2021-03-25 14:42:07,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,619 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,619 INFO L185 Difference]: Start difference. First operand has 43 places, 34 transitions, 277 flow. Second operand 6 states and 652 transitions. [2021-03-25 14:42:07,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 391 flow [2021-03-25 14:42:07,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 370 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 14:42:07,624 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 322 flow [2021-03-25 14:42:07,624 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=322, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-03-25 14:42:07,624 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-25 14:42:07,624 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:07,625 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 322 flow [2021-03-25 14:42:07,625 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 322 flow [2021-03-25 14:42:07,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 322 flow [2021-03-25 14:42:07,644 INFO L129 PetriNetUnfolder]: 35/105 cut-off events. [2021-03-25 14:42:07,644 INFO L130 PetriNetUnfolder]: For 298/302 co-relation queries the response was YES. [2021-03-25 14:42:07,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 105 events. 35/105 cut-off events. For 298/302 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 435 event pairs, 14 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 426. Up to 61 conditions per place. [2021-03-25 14:42:07,645 INFO L142 LiptonReduction]: Number of co-enabled transitions 106 [2021-03-25 14:42:07,648 INFO L154 LiptonReduction]: Checked pairs total: 78 [2021-03-25 14:42:07,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:07,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-25 14:42:07,649 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 322 flow [2021-03-25 14:42:07,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:07,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:07,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:07,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:42:07,650 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:07,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:07,650 INFO L82 PathProgramCache]: Analyzing trace with hash -2141759817, now seen corresponding path program 1 times [2021-03-25 14:42:07,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:07,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925535764] [2021-03-25 14:42:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:07,764 INFO L142 QuantifierPusher]: treesize reduction 10, result has 52.4 percent of original size [2021-03-25 14:42:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:07,772 INFO L142 QuantifierPusher]: treesize reduction 10, result has 52.4 percent of original size [2021-03-25 14:42:07,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:07,779 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.8 percent of original size [2021-03-25 14:42:07,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 14:42:07,818 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-25 14:42:07,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:07,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-25 14:42:07,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:07,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925535764] [2021-03-25 14:42:07,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:07,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:07,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916164714] [2021-03-25 14:42:07,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:07,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:07,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:07,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:07,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 155 [2021-03-25 14:42:07,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 100.5) internal successors, (603), 6 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 14:42:07,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:07,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 155 [2021-03-25 14:42:07,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:08,236 INFO L129 PetriNetUnfolder]: 46/142 cut-off events. [2021-03-25 14:42:08,237 INFO L130 PetriNetUnfolder]: For 429/439 co-relation queries the response was YES. [2021-03-25 14:42:08,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 142 events. 46/142 cut-off events. For 429/439 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 687 event pairs, 7 based on Foata normal form. 6/147 useless extension candidates. Maximal degree in co-relation 681. Up to 83 conditions per place. [2021-03-25 14:42:08,238 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 27 selfloop transitions, 25 changer transitions 9/67 dead transitions. [2021-03-25 14:42:08,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 67 transitions, 736 flow [2021-03-25 14:42:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 928 transitions. [2021-03-25 14:42:08,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6652329749103942 [2021-03-25 14:42:08,242 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 928 transitions. [2021-03-25 14:42:08,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 928 transitions. [2021-03-25 14:42:08,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:08,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 928 transitions. [2021-03-25 14:42:08,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 103.11111111111111) internal successors, (928), 9 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:08,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:08,247 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:08,247 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 322 flow. Second operand 9 states and 928 transitions. [2021-03-25 14:42:08,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 67 transitions, 736 flow [2021-03-25 14:42:08,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 67 transitions, 724 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:42:08,250 INFO L241 Difference]: Finished difference. Result has 53 places, 53 transitions, 557 flow [2021-03-25 14:42:08,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=557, PETRI_PLACES=53, PETRI_TRANSITIONS=53} [2021-03-25 14:42:08,251 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2021-03-25 14:42:08,251 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:08,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 53 transitions, 557 flow [2021-03-25 14:42:08,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 53 transitions, 557 flow [2021-03-25 14:42:08,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 53 transitions, 557 flow [2021-03-25 14:42:08,276 INFO L129 PetriNetUnfolder]: 29/108 cut-off events. [2021-03-25 14:42:08,277 INFO L130 PetriNetUnfolder]: For 417/434 co-relation queries the response was YES. [2021-03-25 14:42:08,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 108 events. 29/108 cut-off events. For 417/434 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 517 event pairs, 0 based on Foata normal form. 3/111 useless extension candidates. Maximal degree in co-relation 514. Up to 62 conditions per place. [2021-03-25 14:42:08,278 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:42:08,907 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:09,141 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:10,396 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:10,826 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:11,458 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 14:42:11,711 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 14:42:13,099 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 336 DAG size of output: 258 [2021-03-25 14:42:13,615 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 14:42:13,673 INFO L154 LiptonReduction]: Checked pairs total: 389 [2021-03-25 14:42:13,674 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 14:42:13,674 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5423 [2021-03-25 14:42:13,674 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 52 transitions, 574 flow [2021-03-25 14:42:13,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 100.5) internal successors, (603), 6 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 14:42:13,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:13,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:13,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:42:13,675 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:13,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:13,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1468517453, now seen corresponding path program 2 times [2021-03-25 14:42:13,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:13,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190505920] [2021-03-25 14:42:13,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:13,809 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:42:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:42:13,833 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:42:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:42:13,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:13,872 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 14:42:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:13,884 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 14:42:13,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:13,898 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 14:42:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:13,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:13,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:13,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190505920] [2021-03-25 14:42:13,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:13,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:42:13,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124739095] [2021-03-25 14:42:13,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:42:13,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:13,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:42:13,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:42:13,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 157 [2021-03-25 14:42:13,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 52 transitions, 574 flow. Second operand has 9 states, 9 states have (on average 97.0) internal successors, (873), 9 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 14:42:13,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:13,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 157 [2021-03-25 14:42:13,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:14,207 INFO L129 PetriNetUnfolder]: 30/120 cut-off events. [2021-03-25 14:42:14,208 INFO L130 PetriNetUnfolder]: For 492/509 co-relation queries the response was YES. [2021-03-25 14:42:14,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 120 events. 30/120 cut-off events. For 492/509 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 583 event pairs, 2 based on Foata normal form. 10/130 useless extension candidates. Maximal degree in co-relation 659. Up to 68 conditions per place. [2021-03-25 14:42:14,209 INFO L132 encePairwiseOnDemand]: 149/157 looper letters, 27 selfloop transitions, 18 changer transitions 11/62 dead transitions. [2021-03-25 14:42:14,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 62 transitions, 765 flow [2021-03-25 14:42:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 896 transitions. [2021-03-25 14:42:14,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6341118188251946 [2021-03-25 14:42:14,214 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 896 transitions. [2021-03-25 14:42:14,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 896 transitions. [2021-03-25 14:42:14,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:14,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 896 transitions. [2021-03-25 14:42:14,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.55555555555556) internal successors, (896), 9 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 157.0) internal successors, (1570), 10 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,220 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 157.0) internal successors, (1570), 10 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:14,220 INFO L185 Difference]: Start difference. First operand has 53 places, 52 transitions, 574 flow. Second operand 9 states and 896 transitions. [2021-03-25 14:42:14,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 62 transitions, 765 flow [2021-03-25 14:42:14,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 62 transitions, 756 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 14:42:14,227 INFO L241 Difference]: Finished difference. Result has 62 places, 49 transitions, 571 flow [2021-03-25 14:42:14,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=571, PETRI_PLACES=62, PETRI_TRANSITIONS=49} [2021-03-25 14:42:14,228 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 24 predicate places. [2021-03-25 14:42:14,228 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:14,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 49 transitions, 571 flow [2021-03-25 14:42:14,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 49 transitions, 571 flow [2021-03-25 14:42:14,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 49 transitions, 571 flow [2021-03-25 14:42:14,246 INFO L129 PetriNetUnfolder]: 23/91 cut-off events. [2021-03-25 14:42:14,246 INFO L130 PetriNetUnfolder]: For 539/547 co-relation queries the response was YES. [2021-03-25 14:42:14,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 91 events. 23/91 cut-off events. For 539/547 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 389 event pairs, 0 based on Foata normal form. 2/93 useless extension candidates. Maximal degree in co-relation 480. Up to 49 conditions per place. [2021-03-25 14:42:14,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-25 14:42:15,491 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 14:42:16,551 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 204 DAG size of output: 203 [2021-03-25 14:42:19,374 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-25 14:42:20,403 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 305 [2021-03-25 14:42:20,410 INFO L154 LiptonReduction]: Checked pairs total: 318 [2021-03-25 14:42:20,411 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:42:20,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6183 [2021-03-25 14:42:20,411 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 48 transitions, 559 flow [2021-03-25 14:42:20,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 97.0) internal successors, (873), 9 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 14:42:20,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:20,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:20,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:42:20,412 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:20,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:20,412 INFO L82 PathProgramCache]: Analyzing trace with hash 116270893, now seen corresponding path program 3 times [2021-03-25 14:42:20,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:20,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029675573] [2021-03-25 14:42:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:20,483 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-25 14:42:20,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:42:20,495 INFO L142 QuantifierPusher]: treesize reduction 32, result has 33.3 percent of original size [2021-03-25 14:42:20,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:20,510 INFO L142 QuantifierPusher]: treesize reduction 32, result has 33.3 percent of original size [2021-03-25 14:42:20,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:20,521 INFO L142 QuantifierPusher]: treesize reduction 38, result has 49.3 percent of original size [2021-03-25 14:42:20,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 14:42:20,557 INFO L142 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-03-25 14:42:20,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 14:42:20,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:20,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:20,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029675573] [2021-03-25 14:42:20,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:20,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:20,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404814459] [2021-03-25 14:42:20,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:20,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:20,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:20,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:20,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 158 [2021-03-25 14:42:20,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 48 transitions, 559 flow. Second operand has 7 states, 7 states have (on average 99.28571428571429) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:20,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:20,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 158 [2021-03-25 14:42:20,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:21,048 INFO L129 PetriNetUnfolder]: 30/114 cut-off events. [2021-03-25 14:42:21,049 INFO L130 PetriNetUnfolder]: For 622/627 co-relation queries the response was YES. [2021-03-25 14:42:21,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 114 events. 30/114 cut-off events. For 622/627 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 532 event pairs, 0 based on Foata normal form. 7/121 useless extension candidates. Maximal degree in co-relation 653. Up to 56 conditions per place. [2021-03-25 14:42:21,050 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 24 selfloop transitions, 24 changer transitions 14/68 dead transitions. [2021-03-25 14:42:21,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 68 transitions, 850 flow [2021-03-25 14:42:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 14:42:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 14:42:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 918 transitions. [2021-03-25 14:42:21,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6455696202531646 [2021-03-25 14:42:21,054 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 918 transitions. [2021-03-25 14:42:21,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 918 transitions. [2021-03-25 14:42:21,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:21,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 918 transitions. [2021-03-25 14:42:21,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 102.0) internal successors, (918), 9 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,059 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,059 INFO L185 Difference]: Start difference. First operand has 60 places, 48 transitions, 559 flow. Second operand 9 states and 918 transitions. [2021-03-25 14:42:21,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 68 transitions, 850 flow [2021-03-25 14:42:21,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 783 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-25 14:42:21,064 INFO L241 Difference]: Finished difference. Result has 65 places, 53 transitions, 629 flow [2021-03-25 14:42:21,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=629, PETRI_PLACES=65, PETRI_TRANSITIONS=53} [2021-03-25 14:42:21,064 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 27 predicate places. [2021-03-25 14:42:21,065 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:21,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 53 transitions, 629 flow [2021-03-25 14:42:21,065 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 53 transitions, 629 flow [2021-03-25 14:42:21,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 53 transitions, 629 flow [2021-03-25 14:42:21,080 INFO L129 PetriNetUnfolder]: 21/87 cut-off events. [2021-03-25 14:42:21,081 INFO L130 PetriNetUnfolder]: For 614/620 co-relation queries the response was YES. [2021-03-25 14:42:21,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 87 events. 21/87 cut-off events. For 614/620 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 365 event pairs, 1 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 491. Up to 44 conditions per place. [2021-03-25 14:42:21,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-25 14:42:21,086 INFO L154 LiptonReduction]: Checked pairs total: 190 [2021-03-25 14:42:21,086 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:21,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-25 14:42:21,087 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 53 transitions, 629 flow [2021-03-25 14:42:21,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 99.28571428571429) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:21,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:21,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:42:21,088 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:21,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:21,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1479191533, now seen corresponding path program 4 times [2021-03-25 14:42:21,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:21,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186782378] [2021-03-25 14:42:21,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:21,167 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 14:42:21,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 14:42:21,194 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:42:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:42:21,230 INFO L142 QuantifierPusher]: treesize reduction 14, result has 85.4 percent of original size [2021-03-25 14:42:21,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 14:42:21,277 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-25 14:42:21,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:42:21,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:21,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:21,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186782378] [2021-03-25 14:42:21,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:21,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:21,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368407006] [2021-03-25 14:42:21,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:21,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:21,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:21,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:21,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 158 [2021-03-25 14:42:21,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 53 transitions, 629 flow. Second operand has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:21,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 158 [2021-03-25 14:42:21,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:21,507 INFO L129 PetriNetUnfolder]: 26/116 cut-off events. [2021-03-25 14:42:21,507 INFO L130 PetriNetUnfolder]: For 863/877 co-relation queries the response was YES. [2021-03-25 14:42:21,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 116 events. 26/116 cut-off events. For 863/877 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 563 event pairs, 0 based on Foata normal form. 13/129 useless extension candidates. Maximal degree in co-relation 733. Up to 62 conditions per place. [2021-03-25 14:42:21,511 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 38 selfloop transitions, 11 changer transitions 18/73 dead transitions. [2021-03-25 14:42:21,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 73 transitions, 1004 flow [2021-03-25 14:42:21,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 632 transitions. [2021-03-25 14:42:21,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-25 14:42:21,514 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 632 transitions. [2021-03-25 14:42:21,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 632 transitions. [2021-03-25 14:42:21,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:21,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 632 transitions. [2021-03-25 14:42:21,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.33333333333333) internal successors, (632), 6 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,518 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:21,518 INFO L185 Difference]: Start difference. First operand has 65 places, 53 transitions, 629 flow. Second operand 6 states and 632 transitions. [2021-03-25 14:42:21,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 73 transitions, 1004 flow [2021-03-25 14:42:21,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 948 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-25 14:42:21,524 INFO L241 Difference]: Finished difference. Result has 67 places, 55 transitions, 634 flow [2021-03-25 14:42:21,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2021-03-25 14:42:21,525 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2021-03-25 14:42:21,525 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:21,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 55 transitions, 634 flow [2021-03-25 14:42:21,525 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 55 transitions, 634 flow [2021-03-25 14:42:21,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 634 flow [2021-03-25 14:42:21,545 INFO L129 PetriNetUnfolder]: 20/90 cut-off events. [2021-03-25 14:42:21,545 INFO L130 PetriNetUnfolder]: For 605/615 co-relation queries the response was YES. [2021-03-25 14:42:21,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 90 events. 20/90 cut-off events. For 605/615 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 392 event pairs, 1 based on Foata normal form. 3/93 useless extension candidates. Maximal degree in co-relation 498. Up to 44 conditions per place. [2021-03-25 14:42:21,547 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-25 14:42:21,877 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 14:42:22,408 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 14:42:22,555 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 14:42:22,564 INFO L154 LiptonReduction]: Checked pairs total: 469 [2021-03-25 14:42:22,564 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:42:22,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1039 [2021-03-25 14:42:22,565 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 636 flow [2021-03-25 14:42:22,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:22,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:22,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:22,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:42:22,565 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:22,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:22,566 INFO L82 PathProgramCache]: Analyzing trace with hash -707330539, now seen corresponding path program 5 times [2021-03-25 14:42:22,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:22,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973190943] [2021-03-25 14:42:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:22,633 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 14:42:22,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 14:42:22,662 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-03-25 14:42:22,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 14:42:22,701 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-03-25 14:42:22,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 14:42:22,751 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.7 percent of original size [2021-03-25 14:42:22,753 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size 34 [2021-03-25 14:42:22,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:22,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:22,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973190943] [2021-03-25 14:42:22,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:22,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:42:22,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358060746] [2021-03-25 14:42:22,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:42:22,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:22,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:42:22,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:42:22,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 159 [2021-03-25 14:42:22,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 636 flow. Second operand has 7 states, 7 states have (on average 103.28571428571429) internal successors, (723), 7 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:22,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:22,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 159 [2021-03-25 14:42:22,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:23,077 INFO L129 PetriNetUnfolder]: 21/111 cut-off events. [2021-03-25 14:42:23,077 INFO L130 PetriNetUnfolder]: For 817/875 co-relation queries the response was YES. [2021-03-25 14:42:23,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 111 events. 21/111 cut-off events. For 817/875 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 542 event pairs, 1 based on Foata normal form. 13/124 useless extension candidates. Maximal degree in co-relation 696. Up to 55 conditions per place. [2021-03-25 14:42:23,078 INFO L132 encePairwiseOnDemand]: 153/159 looper letters, 28 selfloop transitions, 8 changer transitions 31/73 dead transitions. [2021-03-25 14:42:23,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 73 transitions, 993 flow [2021-03-25 14:42:23,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 638 transitions. [2021-03-25 14:42:23,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6687631027253669 [2021-03-25 14:42:23,082 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 638 transitions. [2021-03-25 14:42:23,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 638 transitions. [2021-03-25 14:42:23,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:23,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 638 transitions. [2021-03-25 14:42:23,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.33333333333333) internal successors, (638), 6 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:23,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:23,085 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:23,085 INFO L185 Difference]: Start difference. First operand has 66 places, 55 transitions, 636 flow. Second operand 6 states and 638 transitions. [2021-03-25 14:42:23,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 73 transitions, 993 flow [2021-03-25 14:42:23,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 73 transitions, 972 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-25 14:42:23,091 INFO L241 Difference]: Finished difference. Result has 71 places, 42 transitions, 497 flow [2021-03-25 14:42:23,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=497, PETRI_PLACES=71, PETRI_TRANSITIONS=42} [2021-03-25 14:42:23,092 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 33 predicate places. [2021-03-25 14:42:23,092 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:23,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 42 transitions, 497 flow [2021-03-25 14:42:23,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 42 transitions, 497 flow [2021-03-25 14:42:23,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 42 transitions, 497 flow [2021-03-25 14:42:23,103 INFO L129 PetriNetUnfolder]: 9/56 cut-off events. [2021-03-25 14:42:23,103 INFO L130 PetriNetUnfolder]: For 418/426 co-relation queries the response was YES. [2021-03-25 14:42:23,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 56 events. 9/56 cut-off events. For 418/426 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 175 event pairs, 0 based on Foata normal form. 1/57 useless extension candidates. Maximal degree in co-relation 310. Up to 26 conditions per place. [2021-03-25 14:42:23,104 INFO L142 LiptonReduction]: Number of co-enabled transitions 70 [2021-03-25 14:42:23,388 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:23,892 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:42:24,054 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:42:24,297 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:24,787 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:42:24,943 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:42:24,948 INFO L154 LiptonReduction]: Checked pairs total: 242 [2021-03-25 14:42:24,948 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:24,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1856 [2021-03-25 14:42:24,949 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 42 transitions, 497 flow [2021-03-25 14:42:24,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 103.28571428571429) internal successors, (723), 7 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:24,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:24,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:24,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:42:24,950 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:24,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:24,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1944603595, now seen corresponding path program 1 times [2021-03-25 14:42:24,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:24,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226561010] [2021-03-25 14:42:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:25,038 INFO L142 QuantifierPusher]: treesize reduction 10, result has 54.5 percent of original size [2021-03-25 14:42:25,039 INFO L147 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size 8 [2021-03-25 14:42:25,053 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-25 14:42:25,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 14:42:25,069 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 14:42:25,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 14:42:25,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.8 percent of original size [2021-03-25 14:42:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 14:42:25,198 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-03-25 14:42:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 14:42:25,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:25,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:42:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:25,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226561010] [2021-03-25 14:42:25,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:25,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:25,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298673474] [2021-03-25 14:42:25,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:25,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:25,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:25,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:25,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 161 [2021-03-25 14:42:25,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 42 transitions, 497 flow. Second operand has 8 states, 8 states have (on average 101.0) internal successors, (808), 8 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:25,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 161 [2021-03-25 14:42:25,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:25,680 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2021-03-25 14:42:25,921 INFO L129 PetriNetUnfolder]: 4/60 cut-off events. [2021-03-25 14:42:25,921 INFO L130 PetriNetUnfolder]: For 568/586 co-relation queries the response was YES. [2021-03-25 14:42:25,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 60 events. 4/60 cut-off events. For 568/586 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 219 event pairs, 0 based on Foata normal form. 10/70 useless extension candidates. Maximal degree in co-relation 369. Up to 27 conditions per place. [2021-03-25 14:42:25,922 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 7 selfloop transitions, 19 changer transitions 13/45 dead transitions. [2021-03-25 14:42:25,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 45 transitions, 629 flow [2021-03-25 14:42:25,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 14:42:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 14:42:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1027 transitions. [2021-03-25 14:42:25,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6378881987577639 [2021-03-25 14:42:25,926 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1027 transitions. [2021-03-25 14:42:25,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1027 transitions. [2021-03-25 14:42:25,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:25,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1027 transitions. [2021-03-25 14:42:25,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 102.7) internal successors, (1027), 10 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,932 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:25,932 INFO L185 Difference]: Start difference. First operand has 70 places, 42 transitions, 497 flow. Second operand 10 states and 1027 transitions. [2021-03-25 14:42:25,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 45 transitions, 629 flow [2021-03-25 14:42:25,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 45 transitions, 550 flow, removed 17 selfloop flow, removed 12 redundant places. [2021-03-25 14:42:25,938 INFO L241 Difference]: Finished difference. Result has 68 places, 31 transitions, 368 flow [2021-03-25 14:42:25,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=368, PETRI_PLACES=68, PETRI_TRANSITIONS=31} [2021-03-25 14:42:25,938 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 30 predicate places. [2021-03-25 14:42:25,938 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:25,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 31 transitions, 368 flow [2021-03-25 14:42:25,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 31 transitions, 368 flow [2021-03-25 14:42:25,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 31 transitions, 368 flow [2021-03-25 14:42:25,948 INFO L129 PetriNetUnfolder]: 2/41 cut-off events. [2021-03-25 14:42:25,948 INFO L130 PetriNetUnfolder]: For 264/264 co-relation queries the response was YES. [2021-03-25 14:42:25,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 41 events. 2/41 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 111 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 227. Up to 16 conditions per place. [2021-03-25 14:42:25,949 INFO L142 LiptonReduction]: Number of co-enabled transitions 30 [2021-03-25 14:42:26,085 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 14:42:26,199 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 14:42:26,351 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:26,524 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:26,626 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 14:42:26,728 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 14:42:26,899 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:27,072 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:27,450 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:27,613 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 14:42:27,848 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:28,461 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-25 14:42:28,659 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 14:42:28,934 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:29,626 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:42:29,801 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:42:30,058 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:30,163 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-25 14:42:30,621 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:42:30,793 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:42:31,062 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:31,625 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:42:31,794 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:42:32,057 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:42:32,677 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:42:32,866 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:42:32,869 INFO L154 LiptonReduction]: Checked pairs total: 36 [2021-03-25 14:42:32,869 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 14:42:32,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6932 [2021-03-25 14:42:32,870 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 28 transitions, 362 flow [2021-03-25 14:42:32,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 101.0) internal successors, (808), 8 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:32,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:32,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:32,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:42:32,871 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:32,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:32,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1364236501, now seen corresponding path program 1 times [2021-03-25 14:42:32,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:32,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232313367] [2021-03-25 14:42:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:32,954 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:42:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:42:32,985 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:42:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:42:33,031 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.8 percent of original size [2021-03-25 14:42:33,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-25 14:42:33,095 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-03-25 14:42:33,096 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size 43 [2021-03-25 14:42:33,159 INFO L142 QuantifierPusher]: treesize reduction 17, result has 72.1 percent of original size [2021-03-25 14:42:33,161 INFO L147 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size 35 [2021-03-25 14:42:33,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-25 14:42:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:42:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:33,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232313367] [2021-03-25 14:42:33,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:33,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:33,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856754490] [2021-03-25 14:42:33,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:33,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:33,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:33,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:33,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 169 [2021-03-25 14:42:33,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 28 transitions, 362 flow. Second operand has 8 states, 8 states have (on average 101.25) internal successors, (810), 8 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:33,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 169 [2021-03-25 14:42:33,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:33,522 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-03-25 14:42:33,522 INFO L130 PetriNetUnfolder]: For 351/354 co-relation queries the response was YES. [2021-03-25 14:42:33,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 43 events. 3/43 cut-off events. For 351/354 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 118 event pairs, 0 based on Foata normal form. 5/48 useless extension candidates. Maximal degree in co-relation 331. Up to 23 conditions per place. [2021-03-25 14:42:33,523 INFO L132 encePairwiseOnDemand]: 163/169 looper letters, 17 selfloop transitions, 5 changer transitions 15/40 dead transitions. [2021-03-25 14:42:33,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 40 transitions, 607 flow [2021-03-25 14:42:33,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 630 transitions. [2021-03-25 14:42:33,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.621301775147929 [2021-03-25 14:42:33,526 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 630 transitions. [2021-03-25 14:42:33,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 630 transitions. [2021-03-25 14:42:33,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:33,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 630 transitions. [2021-03-25 14:42:33,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.0) internal successors, (630), 6 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 169.0) internal successors, (1183), 7 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,528 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 169.0) internal successors, (1183), 7 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,529 INFO L185 Difference]: Start difference. First operand has 60 places, 28 transitions, 362 flow. Second operand 6 states and 630 transitions. [2021-03-25 14:42:33,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 40 transitions, 607 flow [2021-03-25 14:42:33,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 40 transitions, 400 flow, removed 39 selfloop flow, removed 15 redundant places. [2021-03-25 14:42:33,531 INFO L241 Difference]: Finished difference. Result has 52 places, 25 transitions, 215 flow [2021-03-25 14:42:33,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=215, PETRI_PLACES=52, PETRI_TRANSITIONS=25} [2021-03-25 14:42:33,532 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2021-03-25 14:42:33,532 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:33,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 25 transitions, 215 flow [2021-03-25 14:42:33,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 25 transitions, 215 flow [2021-03-25 14:42:33,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 25 transitions, 215 flow [2021-03-25 14:42:33,539 INFO L129 PetriNetUnfolder]: 2/28 cut-off events. [2021-03-25 14:42:33,539 INFO L130 PetriNetUnfolder]: For 125/125 co-relation queries the response was YES. [2021-03-25 14:42:33,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 28 events. 2/28 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 123. Up to 9 conditions per place. [2021-03-25 14:42:33,540 INFO L142 LiptonReduction]: Number of co-enabled transitions 4 [2021-03-25 14:42:33,541 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:42:33,541 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:33,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 14:42:33,545 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 25 transitions, 215 flow [2021-03-25 14:42:33,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 101.25) internal successors, (810), 8 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:33,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:33,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:42:33,546 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:33,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:33,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1559920131, now seen corresponding path program 1 times [2021-03-25 14:42:33,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:33,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795410457] [2021-03-25 14:42:33,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:33,607 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-25 14:42:33,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 14:42:33,633 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-25 14:42:33,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:42:33,676 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-25 14:42:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:42:33,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:33,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:33,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795410457] [2021-03-25 14:42:33,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:33,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:42:33,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258152741] [2021-03-25 14:42:33,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:42:33,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:33,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:42:33,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:42:33,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 169 [2021-03-25 14:42:33,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 25 transitions, 215 flow. Second operand has 6 states, 6 states have (on average 112.5) internal successors, (675), 6 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:33,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 169 [2021-03-25 14:42:33,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:33,887 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-03-25 14:42:33,888 INFO L130 PetriNetUnfolder]: For 157/157 co-relation queries the response was YES. [2021-03-25 14:42:33,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 29 events. 1/29 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 149. Up to 17 conditions per place. [2021-03-25 14:42:33,888 INFO L132 encePairwiseOnDemand]: 164/169 looper letters, 12 selfloop transitions, 3 changer transitions 8/27 dead transitions. [2021-03-25 14:42:33,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 27 transitions, 273 flow [2021-03-25 14:42:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:42:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:42:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 575 transitions. [2021-03-25 14:42:33,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6804733727810651 [2021-03-25 14:42:33,892 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 575 transitions. [2021-03-25 14:42:33,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 575 transitions. [2021-03-25 14:42:33,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:33,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 575 transitions. [2021-03-25 14:42:33,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,897 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:33,897 INFO L185 Difference]: Start difference. First operand has 49 places, 25 transitions, 215 flow. Second operand 5 states and 575 transitions. [2021-03-25 14:42:33,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 27 transitions, 273 flow [2021-03-25 14:42:33,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 27 transitions, 244 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-25 14:42:33,899 INFO L241 Difference]: Finished difference. Result has 47 places, 19 transitions, 146 flow [2021-03-25 14:42:33,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=146, PETRI_PLACES=47, PETRI_TRANSITIONS=19} [2021-03-25 14:42:33,899 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2021-03-25 14:42:33,899 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:33,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 19 transitions, 146 flow [2021-03-25 14:42:33,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 19 transitions, 146 flow [2021-03-25 14:42:33,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 19 transitions, 146 flow [2021-03-25 14:42:33,905 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-25 14:42:33,905 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2021-03-25 14:42:33,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 21 events. 1/21 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 82. Up to 7 conditions per place. [2021-03-25 14:42:33,905 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 14:42:35,104 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-03-25 14:42:35,456 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 14:42:38,922 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 377 DAG size of output: 243 [2021-03-25 14:42:39,681 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-03-25 14:42:39,684 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:42:39,684 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:42:39,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5785 [2021-03-25 14:42:39,685 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 19 transitions, 146 flow [2021-03-25 14:42:39,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 112.5) internal successors, (675), 6 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:39,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:39,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:39,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:42:39,686 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:39,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:39,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1220743153, now seen corresponding path program 1 times [2021-03-25 14:42:39,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:39,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273089591] [2021-03-25 14:42:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:42:39,783 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-03-25 14:42:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 14:42:39,818 INFO L142 QuantifierPusher]: treesize reduction 12, result has 79.7 percent of original size [2021-03-25 14:42:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 14:42:39,858 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 14:42:39,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:42:39,890 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 14:42:39,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:42:39,917 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 14:42:39,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:42:39,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:39,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:42:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:39,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273089591] [2021-03-25 14:42:39,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:39,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:42:39,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99406070] [2021-03-25 14:42:39,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:42:39,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:39,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:42:39,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:42:39,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 170 [2021-03-25 14:42:39,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 19 transitions, 146 flow. Second operand has 9 states, 9 states have (on average 100.11111111111111) internal successors, (901), 9 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:39,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:39,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 170 [2021-03-25 14:42:39,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:40,309 INFO L129 PetriNetUnfolder]: 1/20 cut-off events. [2021-03-25 14:42:40,310 INFO L130 PetriNetUnfolder]: For 67/67 co-relation queries the response was YES. [2021-03-25 14:42:40,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 20 events. 1/20 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 18 event pairs, 0 based on Foata normal form. 1/21 useless extension candidates. Maximal degree in co-relation 92. Up to 9 conditions per place. [2021-03-25 14:42:40,310 INFO L132 encePairwiseOnDemand]: 162/170 looper letters, 5 selfloop transitions, 5 changer transitions 6/19 dead transitions. [2021-03-25 14:42:40,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 19 transitions, 178 flow [2021-03-25 14:42:40,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:42:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:42:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 710 transitions. [2021-03-25 14:42:40,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5966386554621849 [2021-03-25 14:42:40,313 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 710 transitions. [2021-03-25 14:42:40,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 710 transitions. [2021-03-25 14:42:40,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:40,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 710 transitions. [2021-03-25 14:42:40,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 101.42857142857143) internal successors, (710), 7 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:40,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 170.0) internal successors, (1360), 8 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:40,323 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 170.0) internal successors, (1360), 8 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:40,323 INFO L185 Difference]: Start difference. First operand has 42 places, 19 transitions, 146 flow. Second operand 7 states and 710 transitions. [2021-03-25 14:42:40,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 19 transitions, 178 flow [2021-03-25 14:42:40,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 19 transitions, 158 flow, removed 2 selfloop flow, removed 9 redundant places. [2021-03-25 14:42:40,324 INFO L241 Difference]: Finished difference. Result has 40 places, 13 transitions, 93 flow [2021-03-25 14:42:40,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=93, PETRI_PLACES=40, PETRI_TRANSITIONS=13} [2021-03-25 14:42:40,324 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-25 14:42:40,325 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:40,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 13 transitions, 93 flow [2021-03-25 14:42:40,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 13 transitions, 93 flow [2021-03-25 14:42:40,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 13 transitions, 93 flow [2021-03-25 14:42:40,329 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-25 14:42:40,329 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-03-25 14:42:40,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 13 events. 0/13 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 14:42:40,336 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 14:42:42,721 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 252 DAG size of output: 218 [2021-03-25 14:42:43,350 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-03-25 14:42:46,896 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 358 DAG size of output: 321 [2021-03-25 14:42:48,392 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 314 [2021-03-25 14:42:49,110 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-03-25 14:42:49,751 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-03-25 14:42:51,103 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 322 [2021-03-25 14:42:52,462 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 318 [2021-03-25 14:42:52,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:42:52,464 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:42:52,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12140 [2021-03-25 14:42:52,465 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 11 transitions, 85 flow [2021-03-25 14:42:52,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 100.11111111111111) internal successors, (901), 9 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:42:52,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:42:52,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 14:42:52,466 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:42:52,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:42:52,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1300548654, now seen corresponding path program 1 times [2021-03-25 14:42:52,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:42:52,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70210341] [2021-03-25 14:42:52,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:42:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:42:52,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:52,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:42:52,541 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-25 14:42:52,542 INFO L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-03-25 14:42:52,581 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-25 14:42:52,583 INFO L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-03-25 14:42:52,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:42:52,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 14:42:52,612 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-03-25 14:42:52,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 14:42:52,681 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-03-25 14:42:52,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 14:42:52,726 INFO L142 QuantifierPusher]: treesize reduction 23, result has 59.6 percent of original size [2021-03-25 14:42:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 14:42:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:42:52,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70210341] [2021-03-25 14:42:52,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:42:52,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:42:52,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966434778] [2021-03-25 14:42:52,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:42:52,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:42:52,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:42:52,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:42:52,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 172 [2021-03-25 14:42:52,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 11 transitions, 85 flow. Second operand has 8 states, 8 states have (on average 102.25) internal successors, (818), 8 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:52,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:42:52,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 172 [2021-03-25 14:42:52,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:42:53,074 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-25 14:42:53,074 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-03-25 14:42:53,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 10 events. 0/10 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/11 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 14:42:53,074 INFO L132 encePairwiseOnDemand]: 167/172 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2021-03-25 14:42:53,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 10 transitions, 83 flow [2021-03-25 14:42:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:42:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:42:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 614 transitions. [2021-03-25 14:42:53,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5949612403100775 [2021-03-25 14:42:53,076 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 614 transitions. [2021-03-25 14:42:53,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 614 transitions. [2021-03-25 14:42:53,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:42:53,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 614 transitions. [2021-03-25 14:42:53,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,078 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,078 INFO L185 Difference]: Start difference. First operand has 35 places, 11 transitions, 85 flow. Second operand 6 states and 614 transitions. [2021-03-25 14:42:53,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 10 transitions, 83 flow [2021-03-25 14:42:53,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 10 transitions, 43 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-03-25 14:42:53,079 INFO L241 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2021-03-25 14:42:53,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2021-03-25 14:42:53,079 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -16 predicate places. [2021-03-25 14:42:53,079 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:42:53,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 0 transitions, 0 flow [2021-03-25 14:42:53,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 0 transitions, 0 flow [2021-03-25 14:42:53,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 14:42:53,080 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 14:42:53,080 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:42:53,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 14:42:53,080 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 14:42:53,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:42:53,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:42:53,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 14:42:53,080 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 14:42:53,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 102.25) internal successors, (818), 8 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:42:53,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 14:42:53,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:42:53 BasicIcfg [2021-03-25 14:42:53,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:42:53,085 INFO L168 Benchmark]: Toolchain (without parser) took 68696.38 ms. Allocated memory was 255.9 MB in the beginning and 906.0 MB in the end (delta: 650.1 MB). Free memory was 233.2 MB in the beginning and 762.8 MB in the end (delta: -529.6 MB). Peak memory consumption was 119.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:42:53,085 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:42:53,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.56 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 233.2 MB in the beginning and 307.9 MB in the end (delta: -74.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-25 14:42:53,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.72 ms. Allocated memory is still 350.2 MB. Free memory was 307.9 MB in the beginning and 304.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:42:53,085 INFO L168 Benchmark]: Boogie Preprocessor took 35.69 ms. Allocated memory is still 350.2 MB. Free memory was 304.9 MB in the beginning and 302.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:42:53,087 INFO L168 Benchmark]: RCFGBuilder took 2866.52 ms. Allocated memory was 350.2 MB in the beginning and 427.8 MB in the end (delta: 77.6 MB). Free memory was 301.6 MB in the beginning and 324.7 MB in the end (delta: -23.1 MB). Peak memory consumption was 98.5 MB. Max. memory is 16.0 GB. [2021-03-25 14:42:53,088 INFO L168 Benchmark]: TraceAbstraction took 65047.84 ms. Allocated memory was 427.8 MB in the beginning and 906.0 MB in the end (delta: 478.2 MB). Free memory was 323.8 MB in the beginning and 762.8 MB in the end (delta: -439.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:42:53,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 660.56 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 233.2 MB in the beginning and 307.9 MB in the end (delta: -74.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.72 ms. Allocated memory is still 350.2 MB. Free memory was 307.9 MB in the beginning and 304.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.69 ms. Allocated memory is still 350.2 MB. Free memory was 304.9 MB in the beginning and 302.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2866.52 ms. Allocated memory was 350.2 MB in the beginning and 427.8 MB in the end (delta: 77.6 MB). Free memory was 301.6 MB in the beginning and 324.7 MB in the end (delta: -23.1 MB). Peak memory consumption was 98.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 65047.84 ms. Allocated memory was 427.8 MB in the beginning and 906.0 MB in the end (delta: 478.2 MB). Free memory was 323.8 MB in the beginning and 762.8 MB in the end (delta: -439.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8264.5ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 1858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 939, positive: 879, positive conditional: 0, positive unconditional: 879, 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: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 706, positive: 666, positive conditional: 0, positive unconditional: 666, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 934, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 914, negative conditional: 0, negative unconditional: 914, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 939, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 706, unknown conditional: 0, unknown unconditional: 706] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7413.3ms, 37 PlacesBefore, 27 PlacesAfterwards, 30 TransitionsBefore, 20 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 754 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 280, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 240, negative conditional: 0, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1044.8ms, 30 PlacesBefore, 24 PlacesAfterwards, 18 TransitionsBefore, 16 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 411 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8ms, 25 PlacesBefore, 25 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.7ms, 28 PlacesBefore, 27 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 35 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.6ms, 35 PlacesBefore, 35 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 81 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.5ms, 40 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 74 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.4ms, 43 PlacesBefore, 43 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 51 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.3ms, 45 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5422.6ms, 53 PlacesBefore, 53 PlacesAfterwards, 53 TransitionsBefore, 52 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 389 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 149, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6182.3ms, 62 PlacesBefore, 60 PlacesAfterwards, 49 TransitionsBefore, 48 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 318 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 44, positive conditional: 0, positive unconditional: 44, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.4ms, 65 PlacesBefore, 65 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 190 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1038.7ms, 67 PlacesBefore, 66 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 469 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 207, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 207, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , 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: 1856.1ms, 71 PlacesBefore, 70 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 70 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 242 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6930.9ms, 68 PlacesBefore, 60 PlacesAfterwards, 31 TransitionsBefore, 28 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, 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): 11, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 52 PlacesBefore, 49 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 4 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 11, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5784.9ms, 47 PlacesBefore, 42 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 0 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 11, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12139.5ms, 40 PlacesBefore, 35 PlacesAfterwards, 13 TransitionsBefore, 11 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 10, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 22 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 10, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 64881.6ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4644.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8356.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 88 SDtfs, 68 SDslu, 45 SDs, 0 SdLazy, 914 SolverSat, 289 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1832.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2980.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=636occurred in iteration=12, InterpolantAutomatonStates: 114, 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: 72.9ms SsaConstructionTime, 669.4ms SatisfiabilityAnalysisTime, 2906.3ms InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 2225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...