/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 02:38:35,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 02:38:35,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 02:38:35,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 02:38:35,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 02:38:35,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 02:38:35,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 02:38:35,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 02:38:35,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 02:38:35,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 02:38:35,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 02:38:35,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 02:38:35,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 02:38:35,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 02:38:35,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 02:38:35,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 02:38:35,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 02:38:35,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 02:38:35,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 02:38:35,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 02:38:35,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 02:38:35,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 02:38:35,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 02:38:35,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 02:38:35,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 02:38:35,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 02:38:35,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 02:38:35,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 02:38:35,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 02:38:35,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 02:38:35,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 02:38:35,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 02:38:35,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 02:38:35,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 02:38:35,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 02:38:35,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 02:38:35,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 02:38:35,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 02:38:35,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 02:38:35,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 02:38:35,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 02:38:35,289 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-NoLbe.epf [2021-03-11 02:38:35,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 02:38:35,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 02:38:35,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 02:38:35,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 02:38:35,319 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 02:38:35,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 02:38:35,319 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 02:38:35,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 02:38:35,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 02:38:35,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 02:38:35,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 02:38:35,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 02:38:35,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 02:38:35,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 02:38:35,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 02:38:35,323 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 02:38:35,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 02:38:35,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 02:38:35,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 02:38:35,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 02:38:35,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 02:38:35,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 02:38:35,578 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 02:38:35,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i [2021-03-11 02:38:35,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3749ff2/39682a72d71c4e6e8bbcd1ff0d35a4c6/FLAG45ca6d05c [2021-03-11 02:38:36,116 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 02:38:36,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.opt.i [2021-03-11 02:38:36,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3749ff2/39682a72d71c4e6e8bbcd1ff0d35a4c6/FLAG45ca6d05c [2021-03-11 02:38:36,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3749ff2/39682a72d71c4e6e8bbcd1ff0d35a4c6 [2021-03-11 02:38:36,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 02:38:36,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 02:38:36,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 02:38:36,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 02:38:36,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 02:38:36,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:38:36" (1/1) ... [2021-03-11 02:38:36,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b85eb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:36, skipping insertion in model container [2021-03-11 02:38:36,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:38:36" (1/1) ... [2021-03-11 02:38:36,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 02:38:36,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 02:38:36,754 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/safe035_power.opt.i[951,964] [2021-03-11 02:38:36,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:38:36,971 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 02:38:36,978 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/safe035_power.opt.i[951,964] [2021-03-11 02:38:37,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:38:37,068 INFO L208 MainTranslator]: Completed translation [2021-03-11 02:38:37,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37 WrapperNode [2021-03-11 02:38:37,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 02:38:37,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 02:38:37,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 02:38:37,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 02:38:37,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 02:38:37,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 02:38:37,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 02:38:37,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 02:38:37,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (1/1) ... [2021-03-11 02:38:37,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 02:38:37,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 02:38:37,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 02:38:37,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 02:38:37,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (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 [2021-03-11 02:38:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 02:38:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 02:38:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 02:38:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 02:38:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 02:38:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 02:38:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 02:38:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 02:38:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 02:38:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 02:38:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 02:38:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 02:38:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 02:38:37,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 02:38:37,251 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 02:38:39,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 02:38:39,915 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 02:38:39,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:38:39 BoogieIcfgContainer [2021-03-11 02:38:39,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 02:38:39,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 02:38:39,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 02:38:39,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 02:38:39,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:38:36" (1/3) ... [2021-03-11 02:38:39,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377dc66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:38:39, skipping insertion in model container [2021-03-11 02:38:39,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:38:37" (2/3) ... [2021-03-11 02:38:39,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377dc66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:38:39, skipping insertion in model container [2021-03-11 02:38:39,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:38:39" (3/3) ... [2021-03-11 02:38:39,922 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.opt.i [2021-03-11 02:38:39,929 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 02:38:39,933 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 02:38:39,933 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,974 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,998 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:39,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,004 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,014 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,022 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,025 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:38:40,031 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 02:38:40,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 02:38:40,067 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 02:38:40,067 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 02:38:40,067 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 02:38:40,068 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 02:38:40,068 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 02:38:40,068 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 02:38:40,068 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 02:38:40,068 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 02:38:40,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-03-11 02:38:40,117 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-11 02:38:40,117 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:38:40,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-03-11 02:38:40,125 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-03-11 02:38:40,128 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-03-11 02:38:40,145 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-03-11 02:38:40,145 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:38:40,146 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:40,146 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:40,146 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:40,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1612376618, now seen corresponding path program 1 times [2021-03-11 02:38:40,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:40,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451267159] [2021-03-11 02:38:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:40,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:40,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:40,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:40,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451267159] [2021-03-11 02:38:40,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:40,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 02:38:40,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957297403] [2021-03-11 02:38:40,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 02:38:40,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 02:38:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 02:38:40,380 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 102 [2021-03-11 02:38:40,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 99 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:40,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:40,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 102 [2021-03-11 02:38:40,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:40,746 INFO L129 PetriNetUnfolder]: 340/1580 cut-off events. [2021-03-11 02:38:40,746 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:38:40,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2111 conditions, 1580 events. 340/1580 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 13727 event pairs, 112 based on Foata normal form. 101/1594 useless extension candidates. Maximal degree in co-relation 2064. Up to 445 conditions per place. [2021-03-11 02:38:40,760 INFO L132 encePairwiseOnDemand]: 97/102 looper letters, 17 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2021-03-11 02:38:40,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 102 transitions, 251 flow [2021-03-11 02:38:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 02:38:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 02:38:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2021-03-11 02:38:40,773 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9215686274509803 [2021-03-11 02:38:40,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2021-03-11 02:38:40,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2021-03-11 02:38:40,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:40,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2021-03-11 02:38:40,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:40,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:40,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:40,788 INFO L185 Difference]: Start difference. First operand has 107 places, 99 transitions, 207 flow. Second operand 3 states and 282 transitions. [2021-03-11 02:38:40,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 102 transitions, 251 flow [2021-03-11 02:38:40,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 248 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-11 02:38:40,794 INFO L241 Difference]: Finished difference. Result has 104 places, 95 transitions, 200 flow [2021-03-11 02:38:40,795 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=104, PETRI_TRANSITIONS=95} [2021-03-11 02:38:40,796 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2021-03-11 02:38:40,796 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 95 transitions, 200 flow [2021-03-11 02:38:40,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:40,796 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:40,796 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:40,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 02:38:40,797 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:40,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:40,797 INFO L82 PathProgramCache]: Analyzing trace with hash 254372991, now seen corresponding path program 1 times [2021-03-11 02:38:40,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:40,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21788734] [2021-03-11 02:38:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:40,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:41,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:41,009 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:41,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:41,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:41,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21788734] [2021-03-11 02:38:41,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:41,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:38:41,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888791335] [2021-03-11 02:38:41,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:38:41,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:41,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:38:41,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:38:41,043 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 102 [2021-03-11 02:38:41,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 95 transitions, 200 flow. Second operand has 6 states, 6 states have (on average 91.16666666666667) internal successors, (547), 6 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:41,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:41,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 102 [2021-03-11 02:38:41,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:41,158 INFO L129 PetriNetUnfolder]: 4/131 cut-off events. [2021-03-11 02:38:41,158 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:38:41,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 131 events. 4/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 216 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 118. Up to 8 conditions per place. [2021-03-11 02:38:41,160 INFO L132 encePairwiseOnDemand]: 96/102 looper letters, 6 selfloop transitions, 2 changer transitions 23/107 dead transitions. [2021-03-11 02:38:41,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 107 transitions, 266 flow [2021-03-11 02:38:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:38:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:38:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 833 transitions. [2021-03-11 02:38:41,163 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9074074074074074 [2021-03-11 02:38:41,163 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 833 transitions. [2021-03-11 02:38:41,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 833 transitions. [2021-03-11 02:38:41,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:41,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 833 transitions. [2021-03-11 02:38:41,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 92.55555555555556) internal successors, (833), 9 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:41,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:41,168 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:41,168 INFO L185 Difference]: Start difference. First operand has 104 places, 95 transitions, 200 flow. Second operand 9 states and 833 transitions. [2021-03-11 02:38:41,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 107 transitions, 266 flow [2021-03-11 02:38:41,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 107 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 02:38:41,171 INFO L241 Difference]: Finished difference. Result has 117 places, 84 transitions, 194 flow [2021-03-11 02:38:41,171 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=194, PETRI_PLACES=117, PETRI_TRANSITIONS=84} [2021-03-11 02:38:41,171 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 10 predicate places. [2021-03-11 02:38:41,172 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 84 transitions, 194 flow [2021-03-11 02:38:41,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.16666666666667) internal successors, (547), 6 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:41,172 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:41,172 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:41,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 02:38:41,172 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:41,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1353302140, now seen corresponding path program 1 times [2021-03-11 02:38:41,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:41,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067135749] [2021-03-11 02:38:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:41,452 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-11 02:38:41,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 02:38:41,469 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-03-11 02:38:41,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 02:38:41,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:38:41,496 INFO L142 QuantifierPusher]: treesize reduction 19, result has 75.0 percent of original size [2021-03-11 02:38:41,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 02:38:41,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:41,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:41,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:41,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:41,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:41,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:41,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067135749] [2021-03-11 02:38:41,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:41,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 02:38:41,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947972617] [2021-03-11 02:38:41,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 02:38:41,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:41,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 02:38:41,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-11 02:38:41,543 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 102 [2021-03-11 02:38:41,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 84 transitions, 194 flow. Second operand has 9 states, 9 states have (on average 75.77777777777777) internal successors, (682), 9 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:41,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:41,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 102 [2021-03-11 02:38:41,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:42,224 INFO L129 PetriNetUnfolder]: 1139/2232 cut-off events. [2021-03-11 02:38:42,225 INFO L130 PetriNetUnfolder]: For 408/408 co-relation queries the response was YES. [2021-03-11 02:38:42,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4530 conditions, 2232 events. 1139/2232 cut-off events. For 408/408 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 14638 event pairs, 360 based on Foata normal form. 47/2237 useless extension candidates. Maximal degree in co-relation 4471. Up to 1005 conditions per place. [2021-03-11 02:38:42,236 INFO L132 encePairwiseOnDemand]: 88/102 looper letters, 26 selfloop transitions, 14 changer transitions 49/150 dead transitions. [2021-03-11 02:38:42,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 150 transitions, 525 flow [2021-03-11 02:38:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 02:38:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 02:38:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 905 transitions. [2021-03-11 02:38:42,239 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2021-03-11 02:38:42,240 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 905 transitions. [2021-03-11 02:38:42,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 905 transitions. [2021-03-11 02:38:42,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:42,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 905 transitions. [2021-03-11 02:38:42,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 82.27272727272727) internal successors, (905), 11 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:42,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:42,244 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:42,244 INFO L185 Difference]: Start difference. First operand has 117 places, 84 transitions, 194 flow. Second operand 11 states and 905 transitions. [2021-03-11 02:38:42,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 150 transitions, 525 flow [2021-03-11 02:38:42,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 150 transitions, 491 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-03-11 02:38:42,258 INFO L241 Difference]: Finished difference. Result has 110 places, 96 transitions, 286 flow [2021-03-11 02:38:42,258 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=286, PETRI_PLACES=110, PETRI_TRANSITIONS=96} [2021-03-11 02:38:42,258 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 3 predicate places. [2021-03-11 02:38:42,258 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 96 transitions, 286 flow [2021-03-11 02:38:42,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 75.77777777777777) internal successors, (682), 9 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:42,259 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:42,259 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:42,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 02:38:42,260 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:42,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1691723853, now seen corresponding path program 1 times [2021-03-11 02:38:42,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:42,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664236744] [2021-03-11 02:38:42,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:42,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:42,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:42,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-11 02:38:42,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 02:38:42,438 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-11 02:38:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 02:38:42,471 INFO L142 QuantifierPusher]: treesize reduction 66, result has 53.8 percent of original size [2021-03-11 02:38:42,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-11 02:38:42,528 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-11 02:38:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 02:38:42,545 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:42,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:42,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:42,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:42,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:42,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:42,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:42,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664236744] [2021-03-11 02:38:42,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:42,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-11 02:38:42,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958458181] [2021-03-11 02:38:42,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 02:38:42,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:42,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 02:38:42,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-11 02:38:42,590 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 102 [2021-03-11 02:38:42,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 96 transitions, 286 flow. Second operand has 10 states, 10 states have (on average 76.6) internal successors, (766), 10 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:42,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:42,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 102 [2021-03-11 02:38:42,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:43,295 INFO L129 PetriNetUnfolder]: 1037/2041 cut-off events. [2021-03-11 02:38:43,295 INFO L130 PetriNetUnfolder]: For 2606/2654 co-relation queries the response was YES. [2021-03-11 02:38:43,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6290 conditions, 2041 events. 1037/2041 cut-off events. For 2606/2654 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 12754 event pairs, 41 based on Foata normal form. 31/2031 useless extension candidates. Maximal degree in co-relation 6230. Up to 1128 conditions per place. [2021-03-11 02:38:43,309 INFO L132 encePairwiseOnDemand]: 88/102 looper letters, 43 selfloop transitions, 20 changer transitions 43/168 dead transitions. [2021-03-11 02:38:43,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 168 transitions, 852 flow [2021-03-11 02:38:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 02:38:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 02:38:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 916 transitions. [2021-03-11 02:38:43,311 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8163992869875223 [2021-03-11 02:38:43,311 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 916 transitions. [2021-03-11 02:38:43,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 916 transitions. [2021-03-11 02:38:43,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:43,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 916 transitions. [2021-03-11 02:38:43,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.27272727272727) internal successors, (916), 11 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:43,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:43,315 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:43,315 INFO L185 Difference]: Start difference. First operand has 110 places, 96 transitions, 286 flow. Second operand 11 states and 916 transitions. [2021-03-11 02:38:43,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 168 transitions, 852 flow [2021-03-11 02:38:43,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 168 transitions, 837 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-11 02:38:43,322 INFO L241 Difference]: Finished difference. Result has 118 places, 114 transitions, 505 flow [2021-03-11 02:38:43,322 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=505, PETRI_PLACES=118, PETRI_TRANSITIONS=114} [2021-03-11 02:38:43,323 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 11 predicate places. [2021-03-11 02:38:43,323 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 114 transitions, 505 flow [2021-03-11 02:38:43,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 76.6) internal successors, (766), 10 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:43,323 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:43,323 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:43,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 02:38:43,323 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:43,324 INFO L82 PathProgramCache]: Analyzing trace with hash -54458743, now seen corresponding path program 2 times [2021-03-11 02:38:43,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:43,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521243921] [2021-03-11 02:38:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:43,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:43,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:43,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:43,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:38:43,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:38:43,530 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.3 percent of original size [2021-03-11 02:38:43,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-11 02:38:43,560 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-11 02:38:43,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 02:38:43,592 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.5 percent of original size [2021-03-11 02:38:43,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-11 02:38:43,623 INFO L142 QuantifierPusher]: treesize reduction 182, result has 22.6 percent of original size [2021-03-11 02:38:43,624 INFO L147 QuantifierPusher]: treesize reduction 11, result has 79.2 percent of original size 42 [2021-03-11 02:38:43,633 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-03-11 02:38:43,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 02:38:43,653 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:43,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:43,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:43,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:43,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:43,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521243921] [2021-03-11 02:38:43,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:43,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 02:38:43,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702752324] [2021-03-11 02:38:43,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 02:38:43,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:43,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 02:38:43,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-11 02:38:43,696 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 102 [2021-03-11 02:38:43,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 114 transitions, 505 flow. Second operand has 13 states, 13 states have (on average 73.46153846153847) internal successors, (955), 13 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:43,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:43,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 102 [2021-03-11 02:38:43,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:44,590 INFO L129 PetriNetUnfolder]: 1356/2665 cut-off events. [2021-03-11 02:38:44,590 INFO L130 PetriNetUnfolder]: For 12872/14040 co-relation queries the response was YES. [2021-03-11 02:38:44,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12207 conditions, 2665 events. 1356/2665 cut-off events. For 12872/14040 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 18139 event pairs, 223 based on Foata normal form. 58/2681 useless extension candidates. Maximal degree in co-relation 12138. Up to 1094 conditions per place. [2021-03-11 02:38:44,608 INFO L132 encePairwiseOnDemand]: 86/102 looper letters, 43 selfloop transitions, 21 changer transitions 54/177 dead transitions. [2021-03-11 02:38:44,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 177 transitions, 1394 flow [2021-03-11 02:38:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 02:38:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-11 02:38:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1105 transitions. [2021-03-11 02:38:44,610 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7738095238095238 [2021-03-11 02:38:44,610 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1105 transitions. [2021-03-11 02:38:44,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1105 transitions. [2021-03-11 02:38:44,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:44,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1105 transitions. [2021-03-11 02:38:44,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 78.92857142857143) internal successors, (1105), 14 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:44,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 102.0) internal successors, (1530), 15 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:44,615 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 102.0) internal successors, (1530), 15 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:44,615 INFO L185 Difference]: Start difference. First operand has 118 places, 114 transitions, 505 flow. Second operand 14 states and 1105 transitions. [2021-03-11 02:38:44,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 177 transitions, 1394 flow [2021-03-11 02:38:44,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 177 transitions, 1354 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-11 02:38:44,627 INFO L241 Difference]: Finished difference. Result has 127 places, 109 transitions, 521 flow [2021-03-11 02:38:44,627 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=521, PETRI_PLACES=127, PETRI_TRANSITIONS=109} [2021-03-11 02:38:44,627 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 20 predicate places. [2021-03-11 02:38:44,627 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 109 transitions, 521 flow [2021-03-11 02:38:44,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 73.46153846153847) internal successors, (955), 13 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:44,628 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:44,628 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:44,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 02:38:44,628 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:44,628 INFO L82 PathProgramCache]: Analyzing trace with hash -817952165, now seen corresponding path program 1 times [2021-03-11 02:38:44,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:44,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817168600] [2021-03-11 02:38:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:44,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:44,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:44,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:44,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:44,721 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:38:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:38:44,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:44,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:44,736 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:38:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:44,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:44,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817168600] [2021-03-11 02:38:44,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:44,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:38:44,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494533358] [2021-03-11 02:38:44,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:38:44,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:44,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:38:44,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:38:44,744 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 102 [2021-03-11 02:38:44,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 109 transitions, 521 flow. Second operand has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:44,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:44,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 102 [2021-03-11 02:38:44,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:45,089 INFO L129 PetriNetUnfolder]: 1113/3002 cut-off events. [2021-03-11 02:38:45,089 INFO L130 PetriNetUnfolder]: For 5646/5790 co-relation queries the response was YES. [2021-03-11 02:38:45,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7832 conditions, 3002 events. 1113/3002 cut-off events. For 5646/5790 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 28538 event pairs, 306 based on Foata normal form. 71/2829 useless extension candidates. Maximal degree in co-relation 7763. Up to 699 conditions per place. [2021-03-11 02:38:45,116 INFO L132 encePairwiseOnDemand]: 93/102 looper letters, 19 selfloop transitions, 16 changer transitions 1/134 dead transitions. [2021-03-11 02:38:45,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 134 transitions, 641 flow [2021-03-11 02:38:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:38:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:38:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 829 transitions. [2021-03-11 02:38:45,118 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9030501089324618 [2021-03-11 02:38:45,118 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 829 transitions. [2021-03-11 02:38:45,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 829 transitions. [2021-03-11 02:38:45,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:45,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 829 transitions. [2021-03-11 02:38:45,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 92.11111111111111) internal successors, (829), 9 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:45,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:45,121 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:45,121 INFO L185 Difference]: Start difference. First operand has 127 places, 109 transitions, 521 flow. Second operand 9 states and 829 transitions. [2021-03-11 02:38:45,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 134 transitions, 641 flow [2021-03-11 02:38:45,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 134 transitions, 587 flow, removed 9 selfloop flow, removed 12 redundant places. [2021-03-11 02:38:45,129 INFO L241 Difference]: Finished difference. Result has 122 places, 122 transitions, 571 flow [2021-03-11 02:38:45,129 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=571, PETRI_PLACES=122, PETRI_TRANSITIONS=122} [2021-03-11 02:38:45,129 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 15 predicate places. [2021-03-11 02:38:45,129 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 122 transitions, 571 flow [2021-03-11 02:38:45,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:45,130 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:45,130 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:45,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 02:38:45,130 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:45,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:45,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1762507524, now seen corresponding path program 1 times [2021-03-11 02:38:45,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:45,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834889882] [2021-03-11 02:38:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:45,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:45,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-11 02:38:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 02:38:45,193 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 02:38:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 02:38:45,204 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-11 02:38:45,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 02:38:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:45,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:45,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:45,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:45,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:45,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:45,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:45,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:45,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834889882] [2021-03-11 02:38:45,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:45,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 02:38:45,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639706498] [2021-03-11 02:38:45,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 02:38:45,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:45,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 02:38:45,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-11 02:38:45,260 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 102 [2021-03-11 02:38:45,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 122 transitions, 571 flow. Second operand has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:45,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:45,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 102 [2021-03-11 02:38:45,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:46,386 INFO L129 PetriNetUnfolder]: 1565/4823 cut-off events. [2021-03-11 02:38:46,387 INFO L130 PetriNetUnfolder]: For 14545/15644 co-relation queries the response was YES. [2021-03-11 02:38:46,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16803 conditions, 4823 events. 1565/4823 cut-off events. For 14545/15644 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 51850 event pairs, 482 based on Foata normal form. 144/4694 useless extension candidates. Maximal degree in co-relation 16734. Up to 1096 conditions per place. [2021-03-11 02:38:46,419 INFO L132 encePairwiseOnDemand]: 86/102 looper letters, 62 selfloop transitions, 25 changer transitions 35/199 dead transitions. [2021-03-11 02:38:46,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 199 transitions, 1517 flow [2021-03-11 02:38:46,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:38:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:38:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1091 transitions. [2021-03-11 02:38:46,422 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8227752639517345 [2021-03-11 02:38:46,422 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1091 transitions. [2021-03-11 02:38:46,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1091 transitions. [2021-03-11 02:38:46,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:46,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1091 transitions. [2021-03-11 02:38:46,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 83.92307692307692) internal successors, (1091), 13 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:46,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 102.0) internal successors, (1428), 14 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:46,426 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 102.0) internal successors, (1428), 14 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:46,426 INFO L185 Difference]: Start difference. First operand has 122 places, 122 transitions, 571 flow. Second operand 13 states and 1091 transitions. [2021-03-11 02:38:46,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 199 transitions, 1517 flow [2021-03-11 02:38:46,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 199 transitions, 1515 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 02:38:46,443 INFO L241 Difference]: Finished difference. Result has 143 places, 135 transitions, 859 flow [2021-03-11 02:38:46,443 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=859, PETRI_PLACES=143, PETRI_TRANSITIONS=135} [2021-03-11 02:38:46,443 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 36 predicate places. [2021-03-11 02:38:46,443 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 135 transitions, 859 flow [2021-03-11 02:38:46,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:46,443 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:46,443 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:46,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 02:38:46,443 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash -472213030, now seen corresponding path program 2 times [2021-03-11 02:38:46,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:46,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439572925] [2021-03-11 02:38:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:46,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:46,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:46,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:46,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:46,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:46,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:46,505 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:38:46,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:38:46,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:46,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:46,525 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:38:46,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:46,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:46,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:46,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439572925] [2021-03-11 02:38:46,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:46,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:38:46,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643413319] [2021-03-11 02:38:46,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:38:46,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:46,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:38:46,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:38:46,533 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 102 [2021-03-11 02:38:46,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 135 transitions, 859 flow. Second operand has 7 states, 7 states have (on average 89.14285714285714) internal successors, (624), 7 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:46,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:46,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 102 [2021-03-11 02:38:46,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:47,007 INFO L129 PetriNetUnfolder]: 1250/4126 cut-off events. [2021-03-11 02:38:47,007 INFO L130 PetriNetUnfolder]: For 13649/18164 co-relation queries the response was YES. [2021-03-11 02:38:47,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14148 conditions, 4126 events. 1250/4126 cut-off events. For 13649/18164 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 45945 event pairs, 107 based on Foata normal form. 955/4773 useless extension candidates. Maximal degree in co-relation 14071. Up to 1068 conditions per place. [2021-03-11 02:38:47,039 INFO L132 encePairwiseOnDemand]: 93/102 looper letters, 15 selfloop transitions, 31 changer transitions 10/155 dead transitions. [2021-03-11 02:38:47,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 155 transitions, 1063 flow [2021-03-11 02:38:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 02:38:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 02:38:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1106 transitions. [2021-03-11 02:38:47,041 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9035947712418301 [2021-03-11 02:38:47,041 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1106 transitions. [2021-03-11 02:38:47,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1106 transitions. [2021-03-11 02:38:47,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:47,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1106 transitions. [2021-03-11 02:38:47,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 92.16666666666667) internal successors, (1106), 12 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) [2021-03-11 02:38:47,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:47,045 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:47,045 INFO L185 Difference]: Start difference. First operand has 143 places, 135 transitions, 859 flow. Second operand 12 states and 1106 transitions. [2021-03-11 02:38:47,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 155 transitions, 1063 flow [2021-03-11 02:38:47,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 155 transitions, 995 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-11 02:38:47,064 INFO L241 Difference]: Finished difference. Result has 146 places, 142 transitions, 914 flow [2021-03-11 02:38:47,064 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=914, PETRI_PLACES=146, PETRI_TRANSITIONS=142} [2021-03-11 02:38:47,064 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 39 predicate places. [2021-03-11 02:38:47,064 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 914 flow [2021-03-11 02:38:47,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 89.14285714285714) internal successors, (624), 7 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:47,064 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:47,064 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:47,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 02:38:47,065 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:47,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:47,065 INFO L82 PathProgramCache]: Analyzing trace with hash 544878820, now seen corresponding path program 1 times [2021-03-11 02:38:47,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:47,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621669426] [2021-03-11 02:38:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:47,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:47,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:47,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:38:47,222 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 02:38:47,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 02:38:47,239 INFO L142 QuantifierPusher]: treesize reduction 28, result has 63.6 percent of original size [2021-03-11 02:38:47,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 02:38:47,268 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-11 02:38:47,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:38:47,283 INFO L142 QuantifierPusher]: treesize reduction 37, result has 50.7 percent of original size [2021-03-11 02:38:47,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 02:38:47,308 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-11 02:38:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:38:47,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-11 02:38:47,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 02:38:47,358 INFO L142 QuantifierPusher]: treesize reduction 40, result has 67.7 percent of original size [2021-03-11 02:38:47,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-11 02:38:47,392 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:47,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:47,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:47,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:47,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:47,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:47,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621669426] [2021-03-11 02:38:47,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:47,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:38:47,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649294086] [2021-03-11 02:38:47,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:38:47,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:47,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:38:47,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:38:47,434 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 102 [2021-03-11 02:38:47,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 914 flow. Second operand has 15 states, 15 states have (on average 72.53333333333333) internal successors, (1088), 15 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:47,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:47,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 102 [2021-03-11 02:38:47,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:48,693 INFO L129 PetriNetUnfolder]: 1403/5192 cut-off events. [2021-03-11 02:38:48,693 INFO L130 PetriNetUnfolder]: For 22719/24117 co-relation queries the response was YES. [2021-03-11 02:38:48,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18952 conditions, 5192 events. 1403/5192 cut-off events. For 22719/24117 co-relation queries the response was YES. Maximal size of possible extension queue 724. Compared 62225 event pairs, 56 based on Foata normal form. 26/4938 useless extension candidates. Maximal degree in co-relation 18865. Up to 1122 conditions per place. [2021-03-11 02:38:48,729 INFO L132 encePairwiseOnDemand]: 86/102 looper letters, 50 selfloop transitions, 30 changer transitions 39/210 dead transitions. [2021-03-11 02:38:48,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 210 transitions, 1980 flow [2021-03-11 02:38:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 02:38:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-11 02:38:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1303 transitions. [2021-03-11 02:38:48,731 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.751441753171857 [2021-03-11 02:38:48,732 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1303 transitions. [2021-03-11 02:38:48,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1303 transitions. [2021-03-11 02:38:48,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:48,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1303 transitions. [2021-03-11 02:38:48,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 76.6470588235294) internal successors, (1303), 17 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:48,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 102.0) internal successors, (1836), 18 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:48,737 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 102.0) internal successors, (1836), 18 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:48,737 INFO L185 Difference]: Start difference. First operand has 146 places, 142 transitions, 914 flow. Second operand 17 states and 1303 transitions. [2021-03-11 02:38:48,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 210 transitions, 1980 flow [2021-03-11 02:38:48,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 210 transitions, 1858 flow, removed 44 selfloop flow, removed 7 redundant places. [2021-03-11 02:38:48,933 INFO L241 Difference]: Finished difference. Result has 167 places, 158 transitions, 1184 flow [2021-03-11 02:38:48,933 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1184, PETRI_PLACES=167, PETRI_TRANSITIONS=158} [2021-03-11 02:38:48,933 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 60 predicate places. [2021-03-11 02:38:48,933 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 158 transitions, 1184 flow [2021-03-11 02:38:48,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 72.53333333333333) internal successors, (1088), 15 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:48,934 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:48,934 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:48,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 02:38:48,934 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:48,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:48,934 INFO L82 PathProgramCache]: Analyzing trace with hash -343020004, now seen corresponding path program 2 times [2021-03-11 02:38:48,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:48,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39813281] [2021-03-11 02:38:48,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:49,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:49,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:49,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:49,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:38:49,074 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-11 02:38:49,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 02:38:49,089 INFO L142 QuantifierPusher]: treesize reduction 30, result has 62.0 percent of original size [2021-03-11 02:38:49,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 02:38:49,118 INFO L142 QuantifierPusher]: treesize reduction 69, result has 52.7 percent of original size [2021-03-11 02:38:49,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-11 02:38:49,156 INFO L142 QuantifierPusher]: treesize reduction 55, result has 65.6 percent of original size [2021-03-11 02:38:49,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-11 02:38:49,169 INFO L142 QuantifierPusher]: treesize reduction 43, result has 70.7 percent of original size [2021-03-11 02:38:49,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 02:38:49,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.2 percent of original size [2021-03-11 02:38:49,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-11 02:38:49,230 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.9 percent of original size [2021-03-11 02:38:49,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 02:38:49,252 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:49,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:49,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:49,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:49,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:49,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:49,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39813281] [2021-03-11 02:38:49,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:49,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 02:38:49,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992787611] [2021-03-11 02:38:49,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 02:38:49,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:49,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 02:38:49,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-11 02:38:49,285 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 102 [2021-03-11 02:38:49,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 158 transitions, 1184 flow. Second operand has 13 states, 13 states have (on average 72.76923076923077) internal successors, (946), 13 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:49,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:49,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 102 [2021-03-11 02:38:49,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:50,397 INFO L129 PetriNetUnfolder]: 1531/5719 cut-off events. [2021-03-11 02:38:50,397 INFO L130 PetriNetUnfolder]: For 21878/22262 co-relation queries the response was YES. [2021-03-11 02:38:50,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18451 conditions, 5719 events. 1531/5719 cut-off events. For 21878/22262 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 70667 event pairs, 134 based on Foata normal form. 17/5413 useless extension candidates. Maximal degree in co-relation 18352. Up to 618 conditions per place. [2021-03-11 02:38:50,461 INFO L132 encePairwiseOnDemand]: 89/102 looper letters, 72 selfloop transitions, 17 changer transitions 20/200 dead transitions. [2021-03-11 02:38:50,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 200 transitions, 2056 flow [2021-03-11 02:38:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 02:38:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 02:38:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 786 transitions. [2021-03-11 02:38:50,463 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7705882352941177 [2021-03-11 02:38:50,463 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 786 transitions. [2021-03-11 02:38:50,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 786 transitions. [2021-03-11 02:38:50,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:50,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 786 transitions. [2021-03-11 02:38:50,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 78.6) internal successors, (786), 10 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:50,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:50,466 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:50,467 INFO L185 Difference]: Start difference. First operand has 167 places, 158 transitions, 1184 flow. Second operand 10 states and 786 transitions. [2021-03-11 02:38:50,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 200 transitions, 2056 flow [2021-03-11 02:38:50,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 200 transitions, 1847 flow, removed 103 selfloop flow, removed 11 redundant places. [2021-03-11 02:38:50,611 INFO L241 Difference]: Finished difference. Result has 160 places, 158 transitions, 1099 flow [2021-03-11 02:38:50,612 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1099, PETRI_PLACES=160, PETRI_TRANSITIONS=158} [2021-03-11 02:38:50,612 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 53 predicate places. [2021-03-11 02:38:50,612 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 158 transitions, 1099 flow [2021-03-11 02:38:50,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 72.76923076923077) internal successors, (946), 13 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:50,612 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:50,612 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:50,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 02:38:50,612 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:50,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:50,613 INFO L82 PathProgramCache]: Analyzing trace with hash 191102180, now seen corresponding path program 3 times [2021-03-11 02:38:50,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:50,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821639136] [2021-03-11 02:38:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:50,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:50,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:50,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:50,691 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:38:50,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:38:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:50,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:50,708 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:38:50,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:50,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:50,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:50,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821639136] [2021-03-11 02:38:50,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:50,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 02:38:50,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930953002] [2021-03-11 02:38:50,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 02:38:50,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:50,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 02:38:50,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 02:38:50,717 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 102 [2021-03-11 02:38:50,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 158 transitions, 1099 flow. Second operand has 8 states, 8 states have (on average 89.125) internal successors, (713), 8 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:50,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:50,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 102 [2021-03-11 02:38:50,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:51,353 INFO L129 PetriNetUnfolder]: 1436/4988 cut-off events. [2021-03-11 02:38:51,353 INFO L130 PetriNetUnfolder]: For 12843/18796 co-relation queries the response was YES. [2021-03-11 02:38:51,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15332 conditions, 4988 events. 1436/4988 cut-off events. For 12843/18796 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 60028 event pairs, 35 based on Foata normal form. 1321/5908 useless extension candidates. Maximal degree in co-relation 15283. Up to 758 conditions per place. [2021-03-11 02:38:51,393 INFO L132 encePairwiseOnDemand]: 93/102 looper letters, 10 selfloop transitions, 36 changer transitions 17/176 dead transitions. [2021-03-11 02:38:51,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 176 transitions, 1313 flow [2021-03-11 02:38:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 02:38:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 02:38:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1371 transitions. [2021-03-11 02:38:51,395 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8960784313725491 [2021-03-11 02:38:51,395 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1371 transitions. [2021-03-11 02:38:51,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1371 transitions. [2021-03-11 02:38:51,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:51,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1371 transitions. [2021-03-11 02:38:51,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 91.4) internal successors, (1371), 15 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:51,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:51,399 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:51,399 INFO L185 Difference]: Start difference. First operand has 160 places, 158 transitions, 1099 flow. Second operand 15 states and 1371 transitions. [2021-03-11 02:38:51,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 176 transitions, 1313 flow [2021-03-11 02:38:51,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 176 transitions, 1182 flow, removed 43 selfloop flow, removed 11 redundant places. [2021-03-11 02:38:51,479 INFO L241 Difference]: Finished difference. Result has 166 places, 156 transitions, 1068 flow [2021-03-11 02:38:51,479 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1068, PETRI_PLACES=166, PETRI_TRANSITIONS=156} [2021-03-11 02:38:51,479 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 59 predicate places. [2021-03-11 02:38:51,479 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 156 transitions, 1068 flow [2021-03-11 02:38:51,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 89.125) internal successors, (713), 8 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:51,480 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:51,480 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:51,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 02:38:51,480 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:51,480 INFO L82 PathProgramCache]: Analyzing trace with hash -272417363, now seen corresponding path program 1 times [2021-03-11 02:38:51,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:51,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742173560] [2021-03-11 02:38:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:51,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:51,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:51,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:51,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:51,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:51,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:51,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:51,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:51,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:51,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:51,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742173560] [2021-03-11 02:38:51,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:51,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:38:51,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351573097] [2021-03-11 02:38:51,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:38:51,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:51,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:38:51,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:38:51,598 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 102 [2021-03-11 02:38:51,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 156 transitions, 1068 flow. Second operand has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 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) [2021-03-11 02:38:51,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:51,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 102 [2021-03-11 02:38:51,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:52,204 INFO L129 PetriNetUnfolder]: 1835/7072 cut-off events. [2021-03-11 02:38:52,205 INFO L130 PetriNetUnfolder]: For 20790/21722 co-relation queries the response was YES. [2021-03-11 02:38:52,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22078 conditions, 7072 events. 1835/7072 cut-off events. For 20790/21722 co-relation queries the response was YES. Maximal size of possible extension queue 1148. Compared 94072 event pairs, 84 based on Foata normal form. 5/6606 useless extension candidates. Maximal degree in co-relation 21989. Up to 852 conditions per place. [2021-03-11 02:38:52,256 INFO L132 encePairwiseOnDemand]: 96/102 looper letters, 9 selfloop transitions, 2 changer transitions 11/161 dead transitions. [2021-03-11 02:38:52,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 161 transitions, 1116 flow [2021-03-11 02:38:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 02:38:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 02:38:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 632 transitions. [2021-03-11 02:38:52,257 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8851540616246498 [2021-03-11 02:38:52,257 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 632 transitions. [2021-03-11 02:38:52,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 632 transitions. [2021-03-11 02:38:52,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:52,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 632 transitions. [2021-03-11 02:38:52,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 90.28571428571429) internal successors, (632), 7 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) [2021-03-11 02:38:52,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 102.0) internal successors, (816), 8 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:52,259 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 102.0) internal successors, (816), 8 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:52,259 INFO L185 Difference]: Start difference. First operand has 166 places, 156 transitions, 1068 flow. Second operand 7 states and 632 transitions. [2021-03-11 02:38:52,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 161 transitions, 1116 flow [2021-03-11 02:38:52,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 161 transitions, 949 flow, removed 59 selfloop flow, removed 20 redundant places. [2021-03-11 02:38:52,730 INFO L241 Difference]: Finished difference. Result has 155 places, 150 transitions, 858 flow [2021-03-11 02:38:52,730 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=858, PETRI_PLACES=155, PETRI_TRANSITIONS=150} [2021-03-11 02:38:52,731 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 48 predicate places. [2021-03-11 02:38:52,731 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 150 transitions, 858 flow [2021-03-11 02:38:52,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 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) [2021-03-11 02:38:52,731 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:52,731 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:52,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 02:38:52,731 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:52,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:52,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1163553403, now seen corresponding path program 2 times [2021-03-11 02:38:52,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:52,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171424076] [2021-03-11 02:38:52,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:52,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:52,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:38:52,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:38:52,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:38:52,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:38:52,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:52,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:38:52,876 INFO L142 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-03-11 02:38:52,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 02:38:52,896 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-03-11 02:38:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 02:38:52,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 02:38:52,930 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:52,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:52,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:52,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:52,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171424076] [2021-03-11 02:38:52,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:52,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:38:52,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435417433] [2021-03-11 02:38:52,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:38:52,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:52,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:38:52,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:38:52,972 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 102 [2021-03-11 02:38:52,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 858 flow. Second operand has 15 states, 15 states have (on average 73.66666666666667) internal successors, (1105), 15 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:52,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:52,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 102 [2021-03-11 02:38:52,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:54,387 INFO L129 PetriNetUnfolder]: 3382/13144 cut-off events. [2021-03-11 02:38:54,387 INFO L130 PetriNetUnfolder]: For 19791/20475 co-relation queries the response was YES. [2021-03-11 02:38:54,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37683 conditions, 13144 events. 3382/13144 cut-off events. For 19791/20475 co-relation queries the response was YES. Maximal size of possible extension queue 2271. Compared 195322 event pairs, 103 based on Foata normal form. 8/12290 useless extension candidates. Maximal degree in co-relation 37644. Up to 1486 conditions per place. [2021-03-11 02:38:54,468 INFO L132 encePairwiseOnDemand]: 85/102 looper letters, 43 selfloop transitions, 20 changer transitions 56/212 dead transitions. [2021-03-11 02:38:54,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 212 transitions, 1622 flow [2021-03-11 02:38:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 02:38:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-11 02:38:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1218 transitions. [2021-03-11 02:38:54,472 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7463235294117647 [2021-03-11 02:38:54,472 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1218 transitions. [2021-03-11 02:38:54,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1218 transitions. [2021-03-11 02:38:54,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:54,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1218 transitions. [2021-03-11 02:38:54,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 76.125) internal successors, (1218), 16 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:54,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 102.0) internal successors, (1734), 17 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:54,476 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 102.0) internal successors, (1734), 17 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:54,476 INFO L185 Difference]: Start difference. First operand has 155 places, 150 transitions, 858 flow. Second operand 16 states and 1218 transitions. [2021-03-11 02:38:54,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 212 transitions, 1622 flow [2021-03-11 02:38:55,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 212 transitions, 1560 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-03-11 02:38:55,637 INFO L241 Difference]: Finished difference. Result has 165 places, 147 transitions, 883 flow [2021-03-11 02:38:55,638 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=883, PETRI_PLACES=165, PETRI_TRANSITIONS=147} [2021-03-11 02:38:55,638 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 58 predicate places. [2021-03-11 02:38:55,638 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 147 transitions, 883 flow [2021-03-11 02:38:55,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 73.66666666666667) internal successors, (1105), 15 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:55,638 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:55,638 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:55,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 02:38:55,639 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:55,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:55,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1902282011, now seen corresponding path program 3 times [2021-03-11 02:38:55,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:55,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145463783] [2021-03-11 02:38:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:55,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:55,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:55,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:55,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:55,764 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 02:38:55,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:55,776 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-11 02:38:55,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 02:38:55,799 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-11 02:38:55,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 02:38:55,814 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.1 percent of original size [2021-03-11 02:38:55,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 02:38:55,829 INFO L142 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size [2021-03-11 02:38:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 02:38:55,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 02:38:55,835 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:55,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:55,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:55,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:55,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:55,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145463783] [2021-03-11 02:38:55,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:55,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 02:38:55,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814652065] [2021-03-11 02:38:55,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 02:38:55,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:55,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 02:38:55,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-11 02:38:55,868 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 102 [2021-03-11 02:38:55,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 147 transitions, 883 flow. Second operand has 11 states, 11 states have (on average 74.27272727272727) internal successors, (817), 11 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:55,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:55,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 102 [2021-03-11 02:38:55,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:57,251 INFO L129 PetriNetUnfolder]: 2600/11113 cut-off events. [2021-03-11 02:38:57,251 INFO L130 PetriNetUnfolder]: For 15611/15909 co-relation queries the response was YES. [2021-03-11 02:38:57,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30988 conditions, 11113 events. 2600/11113 cut-off events. For 15611/15909 co-relation queries the response was YES. Maximal size of possible extension queue 1795. Compared 164752 event pairs, 49 based on Foata normal form. 5/10537 useless extension candidates. Maximal degree in co-relation 30947. Up to 1246 conditions per place. [2021-03-11 02:38:57,341 INFO L132 encePairwiseOnDemand]: 87/102 looper letters, 57 selfloop transitions, 30 changer transitions 42/222 dead transitions. [2021-03-11 02:38:57,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 222 transitions, 1873 flow [2021-03-11 02:38:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 02:38:57,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 02:38:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1156 transitions. [2021-03-11 02:38:57,343 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2021-03-11 02:38:57,343 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1156 transitions. [2021-03-11 02:38:57,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1156 transitions. [2021-03-11 02:38:57,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:57,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1156 transitions. [2021-03-11 02:38:57,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 77.06666666666666) internal successors, (1156), 15 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:57,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:57,346 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:57,346 INFO L185 Difference]: Start difference. First operand has 165 places, 147 transitions, 883 flow. Second operand 15 states and 1156 transitions. [2021-03-11 02:38:57,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 222 transitions, 1873 flow [2021-03-11 02:38:58,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 222 transitions, 1822 flow, removed 21 selfloop flow, removed 8 redundant places. [2021-03-11 02:38:58,111 INFO L241 Difference]: Finished difference. Result has 177 places, 164 transitions, 1158 flow [2021-03-11 02:38:58,111 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1158, PETRI_PLACES=177, PETRI_TRANSITIONS=164} [2021-03-11 02:38:58,111 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 70 predicate places. [2021-03-11 02:38:58,112 INFO L480 AbstractCegarLoop]: Abstraction has has 177 places, 164 transitions, 1158 flow [2021-03-11 02:38:58,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 74.27272727272727) internal successors, (817), 11 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:58,112 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:38:58,112 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:38:58,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 02:38:58,112 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:38:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:38:58,112 INFO L82 PathProgramCache]: Analyzing trace with hash -671561193, now seen corresponding path program 4 times [2021-03-11 02:38:58,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:38:58,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36778104] [2021-03-11 02:38:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:38:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:38:58,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:58,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:58,210 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 02:38:58,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:58,220 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.3 percent of original size [2021-03-11 02:38:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 02:38:58,243 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-11 02:38:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 02:38:58,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:58,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:38:58,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:38:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:38:58,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:58,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:58,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:38:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:38:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:38:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:38:58,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36778104] [2021-03-11 02:38:58,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:38:58,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-11 02:38:58,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554355987] [2021-03-11 02:38:58,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 02:38:58,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:38:58,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 02:38:58,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-11 02:38:58,304 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 102 [2021-03-11 02:38:58,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 164 transitions, 1158 flow. Second operand has 10 states, 10 states have (on average 75.4) internal successors, (754), 10 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:58,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:38:58,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 102 [2021-03-11 02:38:58,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:38:59,440 INFO L129 PetriNetUnfolder]: 2466/10508 cut-off events. [2021-03-11 02:38:59,440 INFO L130 PetriNetUnfolder]: For 17083/17388 co-relation queries the response was YES. [2021-03-11 02:38:59,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30310 conditions, 10508 events. 2466/10508 cut-off events. For 17083/17388 co-relation queries the response was YES. Maximal size of possible extension queue 1694. Compared 154378 event pairs, 68 based on Foata normal form. 2/9983 useless extension candidates. Maximal degree in co-relation 30262. Up to 1157 conditions per place. [2021-03-11 02:38:59,533 INFO L132 encePairwiseOnDemand]: 90/102 looper letters, 46 selfloop transitions, 12 changer transitions 43/195 dead transitions. [2021-03-11 02:38:59,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 195 transitions, 1700 flow [2021-03-11 02:38:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 02:38:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 02:38:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 782 transitions. [2021-03-11 02:38:59,535 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2021-03-11 02:38:59,535 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 782 transitions. [2021-03-11 02:38:59,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 782 transitions. [2021-03-11 02:38:59,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:38:59,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 782 transitions. [2021-03-11 02:38:59,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 78.2) internal successors, (782), 10 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:59,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:59,537 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:38:59,537 INFO L185 Difference]: Start difference. First operand has 177 places, 164 transitions, 1158 flow. Second operand 10 states and 782 transitions. [2021-03-11 02:38:59,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 195 transitions, 1700 flow [2021-03-11 02:39:00,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 195 transitions, 1651 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-03-11 02:39:00,311 INFO L241 Difference]: Finished difference. Result has 180 places, 152 transitions, 1025 flow [2021-03-11 02:39:00,311 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1025, PETRI_PLACES=180, PETRI_TRANSITIONS=152} [2021-03-11 02:39:00,311 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 73 predicate places. [2021-03-11 02:39:00,311 INFO L480 AbstractCegarLoop]: Abstraction has has 180 places, 152 transitions, 1025 flow [2021-03-11 02:39:00,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 75.4) internal successors, (754), 10 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:00,311 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:39:00,311 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:39:00,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 02:39:00,312 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:39:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:39:00,312 INFO L82 PathProgramCache]: Analyzing trace with hash 883245561, now seen corresponding path program 5 times [2021-03-11 02:39:00,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:39:00,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815327334] [2021-03-11 02:39:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:39:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:39:00,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:00,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:00,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:39:00,423 INFO L142 QuantifierPusher]: treesize reduction 26, result has 27.8 percent of original size [2021-03-11 02:39:00,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:39:00,428 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-03-11 02:39:00,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 02:39:00,432 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 02:39:00,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:39:00,443 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.9 percent of original size [2021-03-11 02:39:00,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-11 02:39:00,471 INFO L142 QuantifierPusher]: treesize reduction 52, result has 66.7 percent of original size [2021-03-11 02:39:00,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 02:39:00,513 INFO L142 QuantifierPusher]: treesize reduction 16, result has 86.3 percent of original size [2021-03-11 02:39:00,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 02:39:00,542 INFO L142 QuantifierPusher]: treesize reduction 58, result has 51.3 percent of original size [2021-03-11 02:39:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-11 02:39:00,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:00,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:39:00,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:00,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:00,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:00,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:39:00,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815327334] [2021-03-11 02:39:00,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:39:00,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 02:39:00,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045909324] [2021-03-11 02:39:00,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-11 02:39:00,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:39:00,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-11 02:39:00,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-11 02:39:00,611 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 102 [2021-03-11 02:39:00,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 152 transitions, 1025 flow. Second operand has 13 states, 13 states have (on average 73.92307692307692) internal successors, (961), 13 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:00,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:39:00,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 102 [2021-03-11 02:39:00,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:39:01,484 INFO L129 PetriNetUnfolder]: 1252/5214 cut-off events. [2021-03-11 02:39:01,484 INFO L130 PetriNetUnfolder]: For 8902/9064 co-relation queries the response was YES. [2021-03-11 02:39:01,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15085 conditions, 5214 events. 1252/5214 cut-off events. For 8902/9064 co-relation queries the response was YES. Maximal size of possible extension queue 834. Compared 67080 event pairs, 48 based on Foata normal form. 2/4928 useless extension candidates. Maximal degree in co-relation 15036. Up to 566 conditions per place. [2021-03-11 02:39:01,526 INFO L132 encePairwiseOnDemand]: 90/102 looper letters, 57 selfloop transitions, 11 changer transitions 20/181 dead transitions. [2021-03-11 02:39:01,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 181 transitions, 1488 flow [2021-03-11 02:39:01,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 02:39:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 02:39:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 779 transitions. [2021-03-11 02:39:01,527 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7637254901960784 [2021-03-11 02:39:01,527 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 779 transitions. [2021-03-11 02:39:01,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 779 transitions. [2021-03-11 02:39:01,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:39:01,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 779 transitions. [2021-03-11 02:39:01,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 77.9) internal successors, (779), 10 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:01,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:01,529 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:01,529 INFO L185 Difference]: Start difference. First operand has 180 places, 152 transitions, 1025 flow. Second operand 10 states and 779 transitions. [2021-03-11 02:39:01,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 181 transitions, 1488 flow [2021-03-11 02:39:01,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 181 transitions, 1372 flow, removed 41 selfloop flow, removed 13 redundant places. [2021-03-11 02:39:01,696 INFO L241 Difference]: Finished difference. Result has 174 places, 148 transitions, 941 flow [2021-03-11 02:39:01,696 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=949, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=941, PETRI_PLACES=174, PETRI_TRANSITIONS=148} [2021-03-11 02:39:01,698 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 67 predicate places. [2021-03-11 02:39:01,698 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 148 transitions, 941 flow [2021-03-11 02:39:01,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 73.92307692307692) internal successors, (961), 13 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:01,698 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:39:01,698 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:39:01,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 02:39:01,698 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:39:01,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:39:01,698 INFO L82 PathProgramCache]: Analyzing trace with hash -286485817, now seen corresponding path program 6 times [2021-03-11 02:39:01,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:39:01,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169331577] [2021-03-11 02:39:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:39:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:39:01,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:01,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:01,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:39:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:39:01,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:39:01,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:39:01,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 02:39:01,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:39:01,882 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-11 02:39:01,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 02:39:01,909 INFO L142 QuantifierPusher]: treesize reduction 43, result has 47.6 percent of original size [2021-03-11 02:39:01,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 02:39:01,939 INFO L142 QuantifierPusher]: treesize reduction 146, result has 31.8 percent of original size [2021-03-11 02:39:01,939 INFO L147 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size 38 [2021-03-11 02:39:01,979 INFO L142 QuantifierPusher]: treesize reduction 77, result has 40.8 percent of original size [2021-03-11 02:39:01,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 02:39:02,012 INFO L142 QuantifierPusher]: treesize reduction 300, result has 23.9 percent of original size [2021-03-11 02:39:02,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-03-11 02:39:02,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:02,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 02:39:02,082 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:39:02,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:02,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:02,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:02,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:02,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:39:02,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169331577] [2021-03-11 02:39:02,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:39:02,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 02:39:02,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204167864] [2021-03-11 02:39:02,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 02:39:02,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:39:02,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 02:39:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-03-11 02:39:02,129 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 102 [2021-03-11 02:39:02,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 148 transitions, 941 flow. Second operand has 18 states, 18 states have (on average 69.61111111111111) internal successors, (1253), 18 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:02,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:39:02,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 102 [2021-03-11 02:39:02,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:39:03,338 INFO L129 PetriNetUnfolder]: 1795/7295 cut-off events. [2021-03-11 02:39:03,339 INFO L130 PetriNetUnfolder]: For 11949/12205 co-relation queries the response was YES. [2021-03-11 02:39:03,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21113 conditions, 7295 events. 1795/7295 cut-off events. For 11949/12205 co-relation queries the response was YES. Maximal size of possible extension queue 1191. Compared 99057 event pairs, 42 based on Foata normal form. 19/6887 useless extension candidates. Maximal degree in co-relation 21062. Up to 823 conditions per place. [2021-03-11 02:39:03,383 INFO L132 encePairwiseOnDemand]: 87/102 looper letters, 85 selfloop transitions, 20 changer transitions 7/201 dead transitions. [2021-03-11 02:39:03,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 201 transitions, 1629 flow [2021-03-11 02:39:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 02:39:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-11 02:39:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1156 transitions. [2021-03-11 02:39:03,385 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2021-03-11 02:39:03,385 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1156 transitions. [2021-03-11 02:39:03,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1156 transitions. [2021-03-11 02:39:03,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:39:03,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1156 transitions. [2021-03-11 02:39:03,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 72.25) internal successors, (1156), 16 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:03,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 102.0) internal successors, (1734), 17 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:03,388 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 102.0) internal successors, (1734), 17 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:03,388 INFO L185 Difference]: Start difference. First operand has 174 places, 148 transitions, 941 flow. Second operand 16 states and 1156 transitions. [2021-03-11 02:39:03,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 201 transitions, 1629 flow [2021-03-11 02:39:03,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 201 transitions, 1552 flow, removed 19 selfloop flow, removed 14 redundant places. [2021-03-11 02:39:03,639 INFO L241 Difference]: Finished difference. Result has 178 places, 155 transitions, 1036 flow [2021-03-11 02:39:03,639 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1036, PETRI_PLACES=178, PETRI_TRANSITIONS=155} [2021-03-11 02:39:03,640 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 71 predicate places. [2021-03-11 02:39:03,640 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 155 transitions, 1036 flow [2021-03-11 02:39:03,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 69.61111111111111) internal successors, (1253), 18 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:03,640 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:39:03,640 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:39:03,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 02:39:03,640 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:39:03,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:39:03,640 INFO L82 PathProgramCache]: Analyzing trace with hash -192007581, now seen corresponding path program 7 times [2021-03-11 02:39:03,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:39:03,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559943894] [2021-03-11 02:39:03,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:39:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:39:03,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:03,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:03,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:39:03,739 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-03-11 02:39:03,739 INFO L147 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31 [2021-03-11 02:39:03,754 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.3 percent of original size [2021-03-11 02:39:03,754 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-03-11 02:39:03,784 INFO L142 QuantifierPusher]: treesize reduction 29, result has 75.4 percent of original size [2021-03-11 02:39:03,784 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.9 percent of original size 80 [2021-03-11 02:39:03,791 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.3 percent of original size [2021-03-11 02:39:03,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 02:39:03,814 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-11 02:39:03,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 02:39:03,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:03,835 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:39:03,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:03,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:39:03,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559943894] [2021-03-11 02:39:03,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:39:03,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 02:39:03,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863841768] [2021-03-11 02:39:03,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 02:39:03,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:39:03,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 02:39:03,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-11 02:39:03,877 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 102 [2021-03-11 02:39:03,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 155 transitions, 1036 flow. Second operand has 12 states, 12 states have (on average 74.08333333333333) internal successors, (889), 12 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:03,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:39:03,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 102 [2021-03-11 02:39:03,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:39:05,016 INFO L129 PetriNetUnfolder]: 2483/10189 cut-off events. [2021-03-11 02:39:05,016 INFO L130 PetriNetUnfolder]: For 16017/16335 co-relation queries the response was YES. [2021-03-11 02:39:05,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29139 conditions, 10189 events. 2483/10189 cut-off events. For 16017/16335 co-relation queries the response was YES. Maximal size of possible extension queue 1703. Compared 148127 event pairs, 67 based on Foata normal form. 20/9642 useless extension candidates. Maximal degree in co-relation 29089. Up to 1103 conditions per place. [2021-03-11 02:39:05,202 INFO L132 encePairwiseOnDemand]: 90/102 looper letters, 59 selfloop transitions, 18 changer transitions 16/186 dead transitions. [2021-03-11 02:39:05,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 186 transitions, 1520 flow [2021-03-11 02:39:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 02:39:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 02:39:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 841 transitions. [2021-03-11 02:39:05,204 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.749554367201426 [2021-03-11 02:39:05,204 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 841 transitions. [2021-03-11 02:39:05,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 841 transitions. [2021-03-11 02:39:05,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:39:05,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 841 transitions. [2021-03-11 02:39:05,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.45454545454545) internal successors, (841), 11 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:05,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:05,206 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:05,206 INFO L185 Difference]: Start difference. First operand has 178 places, 155 transitions, 1036 flow. Second operand 11 states and 841 transitions. [2021-03-11 02:39:05,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 186 transitions, 1520 flow [2021-03-11 02:39:05,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 186 transitions, 1479 flow, removed 13 selfloop flow, removed 10 redundant places. [2021-03-11 02:39:05,718 INFO L241 Difference]: Finished difference. Result has 181 places, 156 transitions, 1087 flow [2021-03-11 02:39:05,719 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=1005, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1087, PETRI_PLACES=181, PETRI_TRANSITIONS=156} [2021-03-11 02:39:05,719 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 74 predicate places. [2021-03-11 02:39:05,719 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 156 transitions, 1087 flow [2021-03-11 02:39:05,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 74.08333333333333) internal successors, (889), 12 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:05,719 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:39:05,719 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:39:05,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 02:39:05,719 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:39:05,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:39:05,719 INFO L82 PathProgramCache]: Analyzing trace with hash 75028465, now seen corresponding path program 8 times [2021-03-11 02:39:05,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:39:05,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114775308] [2021-03-11 02:39:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:39:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:39:05,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:05,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:05,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:39:05,818 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 02:39:05,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:05,826 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 02:39:05,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:39:05,835 INFO L142 QuantifierPusher]: treesize reduction 19, result has 73.2 percent of original size [2021-03-11 02:39:05,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 02:39:05,853 INFO L142 QuantifierPusher]: treesize reduction 47, result has 57.3 percent of original size [2021-03-11 02:39:05,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-11 02:39:05,871 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-11 02:39:05,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 02:39:05,879 INFO L142 QuantifierPusher]: treesize reduction 76, result has 60.4 percent of original size [2021-03-11 02:39:05,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-03-11 02:39:05,914 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-11 02:39:05,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 02:39:05,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:05,941 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:39:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:05,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:05,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:05,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:05,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:39:05,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114775308] [2021-03-11 02:39:05,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:39:05,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-11 02:39:05,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350755275] [2021-03-11 02:39:05,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 02:39:05,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:39:05,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 02:39:05,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-03-11 02:39:05,984 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 102 [2021-03-11 02:39:05,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 156 transitions, 1087 flow. Second operand has 14 states, 14 states have (on average 73.78571428571429) internal successors, (1033), 14 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:05,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:39:05,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 102 [2021-03-11 02:39:05,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:39:07,309 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-11 02:39:07,381 INFO L129 PetriNetUnfolder]: 2545/10475 cut-off events. [2021-03-11 02:39:07,381 INFO L130 PetriNetUnfolder]: For 16142/16432 co-relation queries the response was YES. [2021-03-11 02:39:07,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29616 conditions, 10475 events. 2545/10475 cut-off events. For 16142/16432 co-relation queries the response was YES. Maximal size of possible extension queue 1846. Compared 154249 event pairs, 26 based on Foata normal form. 11/9890 useless extension candidates. Maximal degree in co-relation 29567. Up to 1218 conditions per place. [2021-03-11 02:39:07,436 INFO L132 encePairwiseOnDemand]: 88/102 looper letters, 53 selfloop transitions, 26 changer transitions 13/185 dead transitions. [2021-03-11 02:39:07,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 185 transitions, 1562 flow [2021-03-11 02:39:07,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 02:39:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 02:39:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 916 transitions. [2021-03-11 02:39:07,438 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7483660130718954 [2021-03-11 02:39:07,438 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 916 transitions. [2021-03-11 02:39:07,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 916 transitions. [2021-03-11 02:39:07,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:39:07,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 916 transitions. [2021-03-11 02:39:07,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 76.33333333333333) internal successors, (916), 12 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:07,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:07,440 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:07,440 INFO L185 Difference]: Start difference. First operand has 181 places, 156 transitions, 1087 flow. Second operand 12 states and 916 transitions. [2021-03-11 02:39:07,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 185 transitions, 1562 flow [2021-03-11 02:39:07,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 185 transitions, 1443 flow, removed 44 selfloop flow, removed 9 redundant places. [2021-03-11 02:39:07,981 INFO L241 Difference]: Finished difference. Result has 187 places, 163 transitions, 1187 flow [2021-03-11 02:39:07,981 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=1003, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1187, PETRI_PLACES=187, PETRI_TRANSITIONS=163} [2021-03-11 02:39:07,981 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 80 predicate places. [2021-03-11 02:39:07,981 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 163 transitions, 1187 flow [2021-03-11 02:39:07,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 73.78571428571429) internal successors, (1033), 14 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:07,982 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:39:07,982 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:39:07,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 02:39:07,982 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:39:07,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:39:07,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1370514681, now seen corresponding path program 9 times [2021-03-11 02:39:07,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:39:07,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581053741] [2021-03-11 02:39:07,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:39:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:39:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:08,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:08,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:39:08,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:39:08,090 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 02:39:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 02:39:08,102 INFO L142 QuantifierPusher]: treesize reduction 19, result has 75.3 percent of original size [2021-03-11 02:39:08,103 INFO L147 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size 49 [2021-03-11 02:39:08,135 INFO L142 QuantifierPusher]: treesize reduction 25, result has 81.3 percent of original size [2021-03-11 02:39:08,136 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.7 percent of original size 100 [2021-03-11 02:39:08,143 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.3 percent of original size [2021-03-11 02:39:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-11 02:39:08,172 INFO L142 QuantifierPusher]: treesize reduction 37, result has 73.6 percent of original size [2021-03-11 02:39:08,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 02:39:08,209 INFO L142 QuantifierPusher]: treesize reduction 11, result has 91.1 percent of original size [2021-03-11 02:39:08,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-03-11 02:39:08,261 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size [2021-03-11 02:39:08,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-11 02:39:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:08,287 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:39:08,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:08,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:08,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:08,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:39:08,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581053741] [2021-03-11 02:39:08,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:39:08,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-03-11 02:39:08,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974909488] [2021-03-11 02:39:08,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-11 02:39:08,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:39:08,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-11 02:39:08,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-11 02:39:08,330 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 102 [2021-03-11 02:39:08,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 163 transitions, 1187 flow. Second operand has 15 states, 15 states have (on average 72.73333333333333) internal successors, (1091), 15 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:08,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:39:08,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 102 [2021-03-11 02:39:08,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:39:09,902 INFO L129 PetriNetUnfolder]: 3210/13020 cut-off events. [2021-03-11 02:39:09,902 INFO L130 PetriNetUnfolder]: For 19217/19541 co-relation queries the response was YES. [2021-03-11 02:39:09,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36492 conditions, 13020 events. 3210/13020 cut-off events. For 19217/19541 co-relation queries the response was YES. Maximal size of possible extension queue 2340. Compared 200152 event pairs, 72 based on Foata normal form. 10/12296 useless extension candidates. Maximal degree in co-relation 36439. Up to 1626 conditions per place. [2021-03-11 02:39:09,996 INFO L132 encePairwiseOnDemand]: 89/102 looper letters, 47 selfloop transitions, 13 changer transitions 34/186 dead transitions. [2021-03-11 02:39:09,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 186 transitions, 1627 flow [2021-03-11 02:39:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 02:39:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 02:39:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 903 transitions. [2021-03-11 02:39:09,997 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7377450980392157 [2021-03-11 02:39:09,997 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 903 transitions. [2021-03-11 02:39:09,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 903 transitions. [2021-03-11 02:39:09,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:39:09,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 903 transitions. [2021-03-11 02:39:09,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 75.25) internal successors, (903), 12 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:09,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:09,999 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:09,999 INFO L185 Difference]: Start difference. First operand has 187 places, 163 transitions, 1187 flow. Second operand 12 states and 903 transitions. [2021-03-11 02:39:09,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 186 transitions, 1627 flow [2021-03-11 02:39:10,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 186 transitions, 1508 flow, removed 47 selfloop flow, removed 13 redundant places. [2021-03-11 02:39:10,956 INFO L241 Difference]: Finished difference. Result has 184 places, 147 transitions, 988 flow [2021-03-11 02:39:10,956 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=988, PETRI_PLACES=184, PETRI_TRANSITIONS=147} [2021-03-11 02:39:10,956 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 77 predicate places. [2021-03-11 02:39:10,956 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 147 transitions, 988 flow [2021-03-11 02:39:10,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 72.73333333333333) internal successors, (1091), 15 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:10,957 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:39:10,957 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:39:10,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 02:39:10,957 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:39:10,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:39:10,957 INFO L82 PathProgramCache]: Analyzing trace with hash -68226277, now seen corresponding path program 10 times [2021-03-11 02:39:10,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:39:10,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985691979] [2021-03-11 02:39:10,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:39:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:39:11,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:11,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:39:11,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:39:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 02:39:11,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:39:11,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 02:39:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:11,105 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.4 percent of original size [2021-03-11 02:39:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 02:39:11,126 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.4 percent of original size [2021-03-11 02:39:11,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 02:39:11,174 INFO L142 QuantifierPusher]: treesize reduction 26, result has 70.5 percent of original size [2021-03-11 02:39:11,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 02:39:11,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 02:39:11,249 INFO L142 QuantifierPusher]: treesize reduction 61, result has 68.1 percent of original size [2021-03-11 02:39:11,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-03-11 02:39:11,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 89.4 percent of original size [2021-03-11 02:39:11,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-11 02:39:11,345 INFO L142 QuantifierPusher]: treesize reduction 24, result has 74.5 percent of original size [2021-03-11 02:39:11,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 02:39:11,375 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.6 percent of original size [2021-03-11 02:39:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-11 02:39:11,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-03-11 02:39:11,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 02:39:11,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-03-11 02:39:11,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 02:39:11,456 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:39:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:39:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:11,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:39:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:39:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:39:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:39:11,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985691979] [2021-03-11 02:39:11,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:39:11,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 02:39:11,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903484494] [2021-03-11 02:39:11,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-11 02:39:11,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:39:11,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-11 02:39:11,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-03-11 02:39:11,499 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 102 [2021-03-11 02:39:11,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 147 transitions, 988 flow. Second operand has 21 states, 21 states have (on average 66.52380952380952) internal successors, (1397), 21 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:11,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:39:11,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 102 [2021-03-11 02:39:11,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:39:12,987 INFO L129 PetriNetUnfolder]: 1523/6281 cut-off events. [2021-03-11 02:39:12,987 INFO L130 PetriNetUnfolder]: For 9550/9665 co-relation queries the response was YES. [2021-03-11 02:39:13,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17600 conditions, 6281 events. 1523/6281 cut-off events. For 9550/9665 co-relation queries the response was YES. Maximal size of possible extension queue 1119. Compared 85392 event pairs, 58 based on Foata normal form. 2/5956 useless extension candidates. Maximal degree in co-relation 17557. Up to 756 conditions per place. [2021-03-11 02:39:13,035 INFO L132 encePairwiseOnDemand]: 88/102 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2021-03-11 02:39:13,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 160 transitions, 1294 flow [2021-03-11 02:39:13,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-11 02:39:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-11 02:39:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1355 transitions. [2021-03-11 02:39:13,037 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6642156862745098 [2021-03-11 02:39:13,037 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1355 transitions. [2021-03-11 02:39:13,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1355 transitions. [2021-03-11 02:39:13,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:39:13,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1355 transitions. [2021-03-11 02:39:13,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 67.75) internal successors, (1355), 20 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:13,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 102.0) internal successors, (2142), 21 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:13,040 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 102.0) internal successors, (2142), 21 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:13,040 INFO L185 Difference]: Start difference. First operand has 184 places, 147 transitions, 988 flow. Second operand 20 states and 1355 transitions. [2021-03-11 02:39:13,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 160 transitions, 1294 flow [2021-03-11 02:39:13,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 160 transitions, 1180 flow, removed 38 selfloop flow, removed 15 redundant places. [2021-03-11 02:39:13,324 INFO L241 Difference]: Finished difference. Result has 180 places, 0 transitions, 0 flow [2021-03-11 02:39:13,324 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=0, PETRI_PLACES=180, PETRI_TRANSITIONS=0} [2021-03-11 02:39:13,324 INFO L335 CegarLoopForPetriNet]: 107 programPoint places, 73 predicate places. [2021-03-11 02:39:13,324 INFO L480 AbstractCegarLoop]: Abstraction has has 180 places, 0 transitions, 0 flow [2021-03-11 02:39:13,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 66.52380952380952) internal successors, (1397), 21 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:39:13,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 02:39:13,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:39:13 BasicIcfg [2021-03-11 02:39:13,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 02:39:13,328 INFO L168 Benchmark]: Toolchain (without parser) took 36724.02 ms. Allocated memory was 255.9 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 234.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 437.4 MB. Max. memory is 16.0 GB. [2021-03-11 02:39:13,328 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 02:39:13,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.52 ms. Allocated memory was 255.9 MB in the beginning and 341.8 MB in the end (delta: 86.0 MB). Free memory was 234.2 MB in the beginning and 297.4 MB in the end (delta: -63.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-11 02:39:13,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.20 ms. Allocated memory is still 341.8 MB. Free memory was 296.9 MB in the beginning and 293.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 02:39:13,329 INFO L168 Benchmark]: Boogie Preprocessor took 51.41 ms. Allocated memory is still 341.8 MB. Free memory was 293.2 MB in the beginning and 289.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:39:13,329 INFO L168 Benchmark]: RCFGBuilder took 2751.77 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 289.7 MB in the beginning and 218.7 MB in the end (delta: 71.0 MB). Peak memory consumption was 218.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:39:13,329 INFO L168 Benchmark]: TraceAbstraction took 33409.77 ms. Allocated memory was 411.0 MB in the beginning and 2.3 GB in the end (delta: 1.9 GB). Free memory was 217.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 264.8 MB. Max. memory is 16.0 GB. [2021-03-11 02:39:13,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 459.52 ms. Allocated memory was 255.9 MB in the beginning and 341.8 MB in the end (delta: 86.0 MB). Free memory was 234.2 MB in the beginning and 297.4 MB in the end (delta: -63.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.20 ms. Allocated memory is still 341.8 MB. Free memory was 296.9 MB in the beginning and 293.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.41 ms. Allocated memory is still 341.8 MB. Free memory was 293.2 MB in the beginning and 289.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2751.77 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 289.7 MB in the beginning and 218.7 MB in the end (delta: 71.0 MB). Peak memory consumption was 218.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 33409.77 ms. Allocated memory was 411.0 MB in the beginning and 2.3 GB in the end (delta: 1.9 GB). Free memory was 217.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 264.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 33261.3ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 27569.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 60.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 317 SDtfs, 879 SDslu, 1645 SDs, 0 SdLazy, 4509 SolverSat, 901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3861.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 42 SyntacticMatches, 9 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 5258.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1187occurred in iteration=19, InterpolantAutomatonStates: 253, 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: 76.6ms SsaConstructionTime, 1176.4ms SatisfiabilityAnalysisTime, 4151.9ms InterpolantComputationTime, 1501 NumberOfCodeBlocks, 1501 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1480 ConstructedInterpolants, 0 QuantifiedInterpolants, 9980 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...