/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:52:11,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:52:11,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:52:11,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:52:11,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:52:11,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:52:11,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:52:11,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:52:11,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:52:11,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:52:11,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:52:11,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:52:11,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:52:11,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:52:11,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:52:11,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:52:11,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:52:12,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:52:12,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:52:12,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:52:12,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:52:12,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:52:12,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:52:12,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:52:12,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:52:12,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:52:12,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:52:12,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:52:12,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:52:12,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:52:12,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:52:12,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:52:12,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:52:12,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:52:12,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:52:12,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:52:12,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:52:12,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:52:12,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:52:12,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:52:12,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:52:12,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf [2021-03-25 04:52:12,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:52:12,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:52:12,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:52:12,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:52:12,080 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:52:12,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:52:12,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:52:12,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:52:12,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:52:12,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:52:12,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:52:12,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:52:12,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:52:12,082 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:52:12,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:52:12,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:52:12,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:52:12,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:52:12,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:52:12,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:52:12,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:52:12,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:52:12,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:52:12,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:52:12,084 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:52:12,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:52:12,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:52:12,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:52:12,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:52:12,431 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:52:12,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i [2021-03-25 04:52:12,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e3c3a64/7f01cff878e34c97b83922ff8b6b96f4/FLAG8dc6c6524 [2021-03-25 04:52:13,073 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:52:13,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i [2021-03-25 04:52:13,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e3c3a64/7f01cff878e34c97b83922ff8b6b96f4/FLAG8dc6c6524 [2021-03-25 04:52:13,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e3c3a64/7f01cff878e34c97b83922ff8b6b96f4 [2021-03-25 04:52:13,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:52:13,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:52:13,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:52:13,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:52:13,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:52:13,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:52:13" (1/1) ... [2021-03-25 04:52:13,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5197b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:13, skipping insertion in model container [2021-03-25 04:52:13,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:52:13" (1/1) ... [2021-03-25 04:52:13,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:52:13,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:52:13,681 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/rfi000_tso.opt.i[948,961] [2021-03-25 04:52:13,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:52:13,916 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:52:13,928 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/rfi000_tso.opt.i[948,961] [2021-03-25 04:52:14,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:52:14,085 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:52:14,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14 WrapperNode [2021-03-25 04:52:14,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:52:14,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:52:14,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:52:14,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:52:14,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:52:14,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:52:14,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:52:14,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:52:14,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... [2021-03-25 04:52:14,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:52:14,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:52:14,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:52:14,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:52:14,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:52:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:52:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:52:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:52:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:52:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:52:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:52:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:52:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:52:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:52:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:52:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:52:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:52:14,318 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:52:16,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:52:16,973 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:52:16,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:52:16 BoogieIcfgContainer [2021-03-25 04:52:16,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:52:16,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:52:16,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:52:16,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:52:16,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:52:13" (1/3) ... [2021-03-25 04:52:16,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352736ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:52:16, skipping insertion in model container [2021-03-25 04:52:16,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:52:14" (2/3) ... [2021-03-25 04:52:16,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352736ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:52:16, skipping insertion in model container [2021-03-25 04:52:16,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:52:16" (3/3) ... [2021-03-25 04:52:16,984 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_tso.opt.i [2021-03-25 04:52:16,990 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:52:16,994 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:52:16,995 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:52:17,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,097 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,097 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:52:17,110 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:52:17,126 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 04:52:17,154 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:52:17,154 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:52:17,154 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:52:17,154 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:52:17,154 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:52:17,154 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:52:17,155 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:52:17,155 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:52:17,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 176 flow [2021-03-25 04:52:17,202 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-25 04:52:17,202 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:52:17,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-03-25 04:52:17,218 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 83 transitions, 176 flow [2021-03-25 04:52:17,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 81 transitions, 168 flow [2021-03-25 04:52:17,224 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:17,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 81 transitions, 168 flow [2021-03-25 04:52:17,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 81 transitions, 168 flow [2021-03-25 04:52:17,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 168 flow [2021-03-25 04:52:17,251 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-25 04:52:17,251 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:52:17,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-03-25 04:52:17,253 INFO L142 LiptonReduction]: Number of co-enabled transitions 1046 [2021-03-25 04:52:18,273 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 04:52:18,863 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-03-25 04:52:20,200 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 04:52:20,819 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 04:52:21,185 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:52:21,504 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:52:21,609 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:52:22,557 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 04:52:22,843 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-25 04:52:23,440 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 04:52:24,041 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 04:52:24,050 INFO L154 LiptonReduction]: Checked pairs total: 1924 [2021-03-25 04:52:24,050 INFO L156 LiptonReduction]: Total number of compositions: 54 [2021-03-25 04:52:24,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6829 [2021-03-25 04:52:24,060 INFO L129 PetriNetUnfolder]: 1/22 cut-off events. [2021-03-25 04:52:24,060 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:52:24,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:24,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:24,061 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:24,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash 169513122, now seen corresponding path program 1 times [2021-03-25 04:52:24,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:24,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526419130] [2021-03-25 04:52:24,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:24,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:24,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:52:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:24,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:52:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:24,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526419130] [2021-03-25 04:52:24,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:24,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:52:24,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674214268] [2021-03-25 04:52:24,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:52:24,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:52:24,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:52:24,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 137 [2021-03-25 04:52:24,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:24,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:24,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 137 [2021-03-25 04:52:24,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:24,454 INFO L129 PetriNetUnfolder]: 43/116 cut-off events. [2021-03-25 04:52:24,454 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:52:24,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 116 events. 43/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 435 event pairs, 3 based on Foata normal form. 10/115 useless extension candidates. Maximal degree in co-relation 191. Up to 73 conditions per place. [2021-03-25 04:52:24,457 INFO L132 encePairwiseOnDemand]: 133/137 looper letters, 9 selfloop transitions, 2 changer transitions 5/34 dead transitions. [2021-03-25 04:52:24,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 34 transitions, 100 flow [2021-03-25 04:52:24,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:52:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:52:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2021-03-25 04:52:24,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2021-03-25 04:52:24,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2021-03-25 04:52:24,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2021-03-25 04:52:24,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:24,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2021-03-25 04:52:24,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:24,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:24,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:24,499 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 72 flow. Second operand 3 states and 361 transitions. [2021-03-25 04:52:24,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 34 transitions, 100 flow [2021-03-25 04:52:24,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 34 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:52:24,503 INFO L241 Difference]: Finished difference. Result has 37 places, 26 transitions, 60 flow [2021-03-25 04:52:24,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=37, PETRI_TRANSITIONS=26} [2021-03-25 04:52:24,506 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -2 predicate places. [2021-03-25 04:52:24,506 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:24,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 26 transitions, 60 flow [2021-03-25 04:52:24,507 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 26 transitions, 60 flow [2021-03-25 04:52:24,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 60 flow [2021-03-25 04:52:24,513 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-03-25 04:52:24,513 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:52:24,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 21 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:52:24,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-25 04:52:25,195 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 04:52:25,536 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 04:52:26,141 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 04:52:26,753 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-25 04:52:26,943 INFO L154 LiptonReduction]: Checked pairs total: 612 [2021-03-25 04:52:26,944 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 04:52:26,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2438 [2021-03-25 04:52:26,945 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 48 flow [2021-03-25 04:52:26,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:26,945 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:26,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:26,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:52:26,946 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:26,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:26,953 INFO L82 PathProgramCache]: Analyzing trace with hash -305903324, now seen corresponding path program 1 times [2021-03-25 04:52:26,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:26,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643633355] [2021-03-25 04:52:26,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:52:27,132 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-25 04:52:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:52:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 04:52:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:52:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:52:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:27,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643633355] [2021-03-25 04:52:27,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:27,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:52:27,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40569756] [2021-03-25 04:52:27,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:52:27,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:27,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:52:27,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:52:27,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 143 [2021-03-25 04:52:27,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 48 flow. Second operand has 6 states, 6 states have (on average 107.83333333333333) internal successors, (647), 6 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:27,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:27,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 143 [2021-03-25 04:52:27,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:27,272 INFO L129 PetriNetUnfolder]: 43/130 cut-off events. [2021-03-25 04:52:27,273 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:52:27,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 130 events. 43/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 573 event pairs, 0 based on Foata normal form. 7/120 useless extension candidates. Maximal degree in co-relation 225. Up to 36 conditions per place. [2021-03-25 04:52:27,275 INFO L132 encePairwiseOnDemand]: 136/143 looper letters, 11 selfloop transitions, 12 changer transitions 5/39 dead transitions. [2021-03-25 04:52:27,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 39 transitions, 142 flow [2021-03-25 04:52:27,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:52:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:52:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 673 transitions. [2021-03-25 04:52:27,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7843822843822844 [2021-03-25 04:52:27,279 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 673 transitions. [2021-03-25 04:52:27,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 673 transitions. [2021-03-25 04:52:27,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:27,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 673 transitions. [2021-03-25 04:52:27,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:27,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:27,286 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:27,286 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 48 flow. Second operand 6 states and 673 transitions. [2021-03-25 04:52:27,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 39 transitions, 142 flow [2021-03-25 04:52:27,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:52:27,288 INFO L241 Difference]: Finished difference. Result has 34 places, 27 transitions, 115 flow [2021-03-25 04:52:27,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=115, PETRI_PLACES=34, PETRI_TRANSITIONS=27} [2021-03-25 04:52:27,289 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-25 04:52:27,289 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:27,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 27 transitions, 115 flow [2021-03-25 04:52:27,289 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 27 transitions, 115 flow [2021-03-25 04:52:27,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 27 transitions, 115 flow [2021-03-25 04:52:27,299 INFO L129 PetriNetUnfolder]: 8/49 cut-off events. [2021-03-25 04:52:27,299 INFO L130 PetriNetUnfolder]: For 30/37 co-relation queries the response was YES. [2021-03-25 04:52:27,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 49 events. 8/49 cut-off events. For 30/37 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 144 event pairs, 1 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 102. Up to 18 conditions per place. [2021-03-25 04:52:27,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-25 04:52:27,835 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-25 04:52:27,954 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-25 04:52:28,202 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-25 04:52:28,325 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-25 04:52:28,329 INFO L154 LiptonReduction]: Checked pairs total: 582 [2021-03-25 04:52:28,329 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:52:28,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1040 [2021-03-25 04:52:28,329 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 109 flow [2021-03-25 04:52:28,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 107.83333333333333) internal successors, (647), 6 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:28,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:28,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:52:28,330 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:28,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:28,331 INFO L82 PathProgramCache]: Analyzing trace with hash 565791456, now seen corresponding path program 1 times [2021-03-25 04:52:28,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:28,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084504947] [2021-03-25 04:52:28,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:28,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:52:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:28,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084504947] [2021-03-25 04:52:28,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:28,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 04:52:28,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232827557] [2021-03-25 04:52:28,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:52:28,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:28,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:52:28,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:52:28,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 145 [2021-03-25 04:52:28,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:28,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 145 [2021-03-25 04:52:28,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:28,522 INFO L129 PetriNetUnfolder]: 8/45 cut-off events. [2021-03-25 04:52:28,523 INFO L130 PetriNetUnfolder]: For 51/54 co-relation queries the response was YES. [2021-03-25 04:52:28,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 45 events. 8/45 cut-off events. For 51/54 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 129 event pairs, 1 based on Foata normal form. 3/46 useless extension candidates. Maximal degree in co-relation 105. Up to 18 conditions per place. [2021-03-25 04:52:28,524 INFO L132 encePairwiseOnDemand]: 142/145 looper letters, 1 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-03-25 04:52:28,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 25 transitions, 115 flow [2021-03-25 04:52:28,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:52:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:52:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2021-03-25 04:52:28,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2021-03-25 04:52:28,527 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2021-03-25 04:52:28,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2021-03-25 04:52:28,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:28,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2021-03-25 04:52:28,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,529 INFO L185 Difference]: Start difference. First operand has 31 places, 25 transitions, 109 flow. Second operand 3 states and 382 transitions. [2021-03-25 04:52:28,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 25 transitions, 115 flow [2021-03-25 04:52:28,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 25 transitions, 113 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 04:52:28,532 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 115 flow [2021-03-25 04:52:28,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-03-25 04:52:28,532 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-25 04:52:28,532 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:28,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 115 flow [2021-03-25 04:52:28,533 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 115 flow [2021-03-25 04:52:28,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 115 flow [2021-03-25 04:52:28,540 INFO L129 PetriNetUnfolder]: 8/47 cut-off events. [2021-03-25 04:52:28,540 INFO L130 PetriNetUnfolder]: For 38/40 co-relation queries the response was YES. [2021-03-25 04:52:28,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 47 events. 8/47 cut-off events. For 38/40 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 133 event pairs, 1 based on Foata normal form. 2/47 useless extension candidates. Maximal degree in co-relation 109. Up to 18 conditions per place. [2021-03-25 04:52:28,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-25 04:52:28,544 INFO L154 LiptonReduction]: Checked pairs total: 181 [2021-03-25 04:52:28,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:52:28,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 04:52:28,545 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 115 flow [2021-03-25 04:52:28,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:28,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:28,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:52:28,546 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:28,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:28,546 INFO L82 PathProgramCache]: Analyzing trace with hash 469882140, now seen corresponding path program 1 times [2021-03-25 04:52:28,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:28,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729879799] [2021-03-25 04:52:28,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:28,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:52:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:28,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729879799] [2021-03-25 04:52:28,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:28,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 04:52:28,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084523746] [2021-03-25 04:52:28,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:52:28,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:28,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:52:28,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:52:28,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 145 [2021-03-25 04:52:28,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:28,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 145 [2021-03-25 04:52:28,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:28,672 INFO L129 PetriNetUnfolder]: 8/45 cut-off events. [2021-03-25 04:52:28,672 INFO L130 PetriNetUnfolder]: For 70/74 co-relation queries the response was YES. [2021-03-25 04:52:28,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 45 events. 8/45 cut-off events. For 70/74 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 122 event pairs, 1 based on Foata normal form. 3/48 useless extension candidates. Maximal degree in co-relation 112. Up to 18 conditions per place. [2021-03-25 04:52:28,674 INFO L132 encePairwiseOnDemand]: 142/145 looper letters, 1 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-03-25 04:52:28,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 25 transitions, 121 flow [2021-03-25 04:52:28,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:52:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:52:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2021-03-25 04:52:28,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2021-03-25 04:52:28,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2021-03-25 04:52:28,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2021-03-25 04:52:28,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:28,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2021-03-25 04:52:28,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,679 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,679 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 115 flow. Second operand 3 states and 382 transitions. [2021-03-25 04:52:28,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 25 transitions, 121 flow [2021-03-25 04:52:28,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 25 transitions, 112 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 04:52:28,681 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 114 flow [2021-03-25 04:52:28,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-03-25 04:52:28,682 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-25 04:52:28,682 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:28,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 114 flow [2021-03-25 04:52:28,682 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 114 flow [2021-03-25 04:52:28,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 114 flow [2021-03-25 04:52:28,689 INFO L129 PetriNetUnfolder]: 8/47 cut-off events. [2021-03-25 04:52:28,689 INFO L130 PetriNetUnfolder]: For 38/42 co-relation queries the response was YES. [2021-03-25 04:52:28,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 47 events. 8/47 cut-off events. For 38/42 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 1 based on Foata normal form. 2/49 useless extension candidates. Maximal degree in co-relation 109. Up to 18 conditions per place. [2021-03-25 04:52:28,690 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-25 04:52:28,691 INFO L154 LiptonReduction]: Checked pairs total: 179 [2021-03-25 04:52:28,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:52:28,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 04:52:28,694 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 114 flow [2021-03-25 04:52:28,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:28,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:28,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:52:28,695 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:28,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:28,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1873460954, now seen corresponding path program 1 times [2021-03-25 04:52:28,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:28,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589507648] [2021-03-25 04:52:28,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:28,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 04:52:28,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 04:52:28,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:52:28,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:52:28,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:52:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:28,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:52:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:28,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589507648] [2021-03-25 04:52:28,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:28,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:52:28,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379610668] [2021-03-25 04:52:28,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:52:28,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:28,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:52:28,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:52:28,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 145 [2021-03-25 04:52:28,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 114 flow. Second operand has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:28,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:28,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 145 [2021-03-25 04:52:28,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:29,111 INFO L129 PetriNetUnfolder]: 186/345 cut-off events. [2021-03-25 04:52:29,112 INFO L130 PetriNetUnfolder]: For 231/238 co-relation queries the response was YES. [2021-03-25 04:52:29,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 345 events. 186/345 cut-off events. For 231/238 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1398 event pairs, 147 based on Foata normal form. 6/346 useless extension candidates. Maximal degree in co-relation 965. Up to 313 conditions per place. [2021-03-25 04:52:29,114 INFO L132 encePairwiseOnDemand]: 139/145 looper letters, 22 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-03-25 04:52:29,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 202 flow [2021-03-25 04:52:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:52:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:52:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 506 transitions. [2021-03-25 04:52:29,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6979310344827586 [2021-03-25 04:52:29,120 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 506 transitions. [2021-03-25 04:52:29,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 506 transitions. [2021-03-25 04:52:29,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:29,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 506 transitions. [2021-03-25 04:52:29,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 101.2) internal successors, (506), 5 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,126 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,126 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 114 flow. Second operand 5 states and 506 transitions. [2021-03-25 04:52:29,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 202 flow [2021-03-25 04:52:29,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 191 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 04:52:29,129 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 152 flow [2021-03-25 04:52:29,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=152, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2021-03-25 04:52:29,130 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2021-03-25 04:52:29,130 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:29,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 31 transitions, 152 flow [2021-03-25 04:52:29,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 31 transitions, 152 flow [2021-03-25 04:52:29,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 152 flow [2021-03-25 04:52:29,141 INFO L129 PetriNetUnfolder]: 13/61 cut-off events. [2021-03-25 04:52:29,141 INFO L130 PetriNetUnfolder]: For 57/62 co-relation queries the response was YES. [2021-03-25 04:52:29,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 61 events. 13/61 cut-off events. For 57/62 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 191 event pairs, 3 based on Foata normal form. 2/63 useless extension candidates. Maximal degree in co-relation 159. Up to 21 conditions per place. [2021-03-25 04:52:29,142 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-25 04:52:29,145 INFO L154 LiptonReduction]: Checked pairs total: 156 [2021-03-25 04:52:29,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:52:29,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 04:52:29,145 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 152 flow [2021-03-25 04:52:29,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:29,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:29,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:52:29,146 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:29,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:29,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1221124046, now seen corresponding path program 1 times [2021-03-25 04:52:29,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:29,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078486518] [2021-03-25 04:52:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:29,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:52:29,267 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:52:29,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:52:29,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:29,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:52:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:29,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078486518] [2021-03-25 04:52:29,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:29,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:52:29,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302208635] [2021-03-25 04:52:29,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:52:29,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:29,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:52:29,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:52:29,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2021-03-25 04:52:29,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 152 flow. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:29,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2021-03-25 04:52:29,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:29,350 INFO L129 PetriNetUnfolder]: 22/90 cut-off events. [2021-03-25 04:52:29,350 INFO L130 PetriNetUnfolder]: For 125/157 co-relation queries the response was YES. [2021-03-25 04:52:29,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 90 events. 22/90 cut-off events. For 125/157 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 370 event pairs, 6 based on Foata normal form. 22/109 useless extension candidates. Maximal degree in co-relation 268. Up to 41 conditions per place. [2021-03-25 04:52:29,353 INFO L132 encePairwiseOnDemand]: 140/145 looper letters, 4 selfloop transitions, 6 changer transitions 7/38 dead transitions. [2021-03-25 04:52:29,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 38 transitions, 220 flow [2021-03-25 04:52:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:52:29,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:52:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 594 transitions. [2021-03-25 04:52:29,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8193103448275862 [2021-03-25 04:52:29,356 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 594 transitions. [2021-03-25 04:52:29,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 594 transitions. [2021-03-25 04:52:29,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:29,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 594 transitions. [2021-03-25 04:52:29,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,360 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:29,360 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 152 flow. Second operand 5 states and 594 transitions. [2021-03-25 04:52:29,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 38 transitions, 220 flow [2021-03-25 04:52:29,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 04:52:29,362 INFO L241 Difference]: Finished difference. Result has 45 places, 31 transitions, 173 flow [2021-03-25 04:52:29,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=173, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2021-03-25 04:52:29,364 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 6 predicate places. [2021-03-25 04:52:29,364 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:29,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 173 flow [2021-03-25 04:52:29,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 173 flow [2021-03-25 04:52:29,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 31 transitions, 173 flow [2021-03-25 04:52:29,380 INFO L129 PetriNetUnfolder]: 8/66 cut-off events. [2021-03-25 04:52:29,380 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2021-03-25 04:52:29,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 66 events. 8/66 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 226 event pairs, 2 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 188. Up to 17 conditions per place. [2021-03-25 04:52:29,381 INFO L142 LiptonReduction]: Number of co-enabled transitions 120 [2021-03-25 04:52:31,322 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 396 DAG size of output: 325 [2021-03-25 04:52:32,113 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-03-25 04:52:36,390 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 564 DAG size of output: 483 [2021-03-25 04:52:38,378 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 467 [2021-03-25 04:52:41,218 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 377 DAG size of output: 351 [2021-03-25 04:52:42,561 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 346 [2021-03-25 04:52:49,750 WARN L205 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 558 DAG size of output: 537 [2021-03-25 04:52:52,851 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 528 [2021-03-25 04:52:52,878 INFO L154 LiptonReduction]: Checked pairs total: 343 [2021-03-25 04:52:52,878 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:52:52,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23514 [2021-03-25 04:52:52,879 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 31 transitions, 180 flow [2021-03-25 04:52:52,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:52,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:52:52,879 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:52:52,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:52:52,879 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:52:52,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:52:52,881 INFO L82 PathProgramCache]: Analyzing trace with hash -858648304, now seen corresponding path program 1 times [2021-03-25 04:52:52,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:52:52,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291520365] [2021-03-25 04:52:52,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:52:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:52:53,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:53,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:52:53,083 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.3 percent of original size [2021-03-25 04:52:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 04:52:53,143 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-25 04:52:53,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:52:53,190 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.0 percent of original size [2021-03-25 04:52:53,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 04:52:53,275 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-25 04:52:53,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 04:52:53,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:52:53,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 04:52:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:52:53,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291520365] [2021-03-25 04:52:53,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:52:53,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:52:53,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110343770] [2021-03-25 04:52:53,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:52:53,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:52:53,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:52:53,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:52:53,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 147 [2021-03-25 04:52:53,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 31 transitions, 180 flow. Second operand has 8 states, 8 states have (on average 94.875) internal successors, (759), 8 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:53,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:52:53,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 147 [2021-03-25 04:52:53,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:52:53,629 INFO L129 PetriNetUnfolder]: 21/91 cut-off events. [2021-03-25 04:52:53,629 INFO L130 PetriNetUnfolder]: For 135/151 co-relation queries the response was YES. [2021-03-25 04:52:53,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 91 events. 21/91 cut-off events. For 135/151 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 339 event pairs, 13 based on Foata normal form. 15/103 useless extension candidates. Maximal degree in co-relation 301. Up to 51 conditions per place. [2021-03-25 04:52:53,630 INFO L132 encePairwiseOnDemand]: 140/147 looper letters, 8 selfloop transitions, 10 changer transitions 0/34 dead transitions. [2021-03-25 04:52:53,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 34 transitions, 229 flow [2021-03-25 04:52:53,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:52:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:52:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 487 transitions. [2021-03-25 04:52:53,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6625850340136055 [2021-03-25 04:52:53,633 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 487 transitions. [2021-03-25 04:52:53,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 487 transitions. [2021-03-25 04:52:53,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:52:53,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 487 transitions. [2021-03-25 04:52:53,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:53,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:53,636 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:52:53,636 INFO L185 Difference]: Start difference. First operand has 45 places, 31 transitions, 180 flow. Second operand 5 states and 487 transitions. [2021-03-25 04:52:53,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 34 transitions, 229 flow [2021-03-25 04:52:53,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 34 transitions, 219 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 04:52:53,638 INFO L241 Difference]: Finished difference. Result has 50 places, 33 transitions, 210 flow [2021-03-25 04:52:53,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=210, PETRI_PLACES=50, PETRI_TRANSITIONS=33} [2021-03-25 04:52:53,639 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 11 predicate places. [2021-03-25 04:52:53,639 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:52:53,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 33 transitions, 210 flow [2021-03-25 04:52:53,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 33 transitions, 210 flow [2021-03-25 04:52:53,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 33 transitions, 210 flow [2021-03-25 04:52:53,649 INFO L129 PetriNetUnfolder]: 9/63 cut-off events. [2021-03-25 04:52:53,649 INFO L130 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2021-03-25 04:52:53,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 63 events. 9/63 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 220 event pairs, 2 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 191. Up to 16 conditions per place. [2021-03-25 04:52:53,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 120 [2021-03-25 04:52:57,486 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 371 DAG size of output: 291 [2021-03-25 04:52:58,138 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-03-25 04:53:03,109 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 559 DAG size of output: 447 [2021-03-25 04:53:05,048 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 417 [2021-03-25 04:53:05,868 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 152 [2021-03-25 04:53:06,093 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-03-25 04:53:07,946 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 324 DAG size of output: 220 [2021-03-25 04:53:08,453 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-25 04:53:10,409 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 335 DAG size of output: 274 [2021-03-25 04:53:11,245 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-03-25 04:53:15,738 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 498 DAG size of output: 405 [2021-03-25 04:53:17,459 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 377 [2021-03-25 04:53:17,466 INFO L154 LiptonReduction]: Checked pairs total: 203 [2021-03-25 04:53:17,466 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:53:17,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23828 [2021-03-25 04:53:17,467 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 213 flow [2021-03-25 04:53:17,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 94.875) internal successors, (759), 8 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:17,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:17,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:17,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:53:17,468 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:17,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:17,468 INFO L82 PathProgramCache]: Analyzing trace with hash -130750274, now seen corresponding path program 1 times [2021-03-25 04:53:17,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:17,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434779556] [2021-03-25 04:53:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:17,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:17,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:17,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:17,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:53:17,562 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:53:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:53:17,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:17,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:53:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:17,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434779556] [2021-03-25 04:53:17,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:17,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:53:17,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361623083] [2021-03-25 04:53:17,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:53:17,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:17,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:53:17,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:53:17,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 150 [2021-03-25 04:53:17,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 33 transitions, 213 flow. Second operand has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:17,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:17,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 150 [2021-03-25 04:53:17,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:17,667 INFO L129 PetriNetUnfolder]: 7/54 cut-off events. [2021-03-25 04:53:17,667 INFO L130 PetriNetUnfolder]: For 103/115 co-relation queries the response was YES. [2021-03-25 04:53:17,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 54 events. 7/54 cut-off events. For 103/115 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 166 event pairs, 0 based on Foata normal form. 18/72 useless extension candidates. Maximal degree in co-relation 182. Up to 14 conditions per place. [2021-03-25 04:53:17,668 INFO L132 encePairwiseOnDemand]: 145/150 looper letters, 2 selfloop transitions, 7 changer transitions 14/36 dead transitions. [2021-03-25 04:53:17,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 36 transitions, 255 flow [2021-03-25 04:53:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 861 transitions. [2021-03-25 04:53:17,672 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.82 [2021-03-25 04:53:17,672 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 861 transitions. [2021-03-25 04:53:17,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 861 transitions. [2021-03-25 04:53:17,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:17,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 861 transitions. [2021-03-25 04:53:17,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.0) internal successors, (861), 7 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:17,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 150.0) internal successors, (1200), 8 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:17,676 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 150.0) internal successors, (1200), 8 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:17,677 INFO L185 Difference]: Start difference. First operand has 50 places, 33 transitions, 213 flow. Second operand 7 states and 861 transitions. [2021-03-25 04:53:17,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 36 transitions, 255 flow [2021-03-25 04:53:17,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 36 transitions, 221 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-25 04:53:17,678 INFO L241 Difference]: Finished difference. Result has 55 places, 22 transitions, 137 flow [2021-03-25 04:53:17,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=137, PETRI_PLACES=55, PETRI_TRANSITIONS=22} [2021-03-25 04:53:17,680 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2021-03-25 04:53:17,680 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:17,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 22 transitions, 137 flow [2021-03-25 04:53:17,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 22 transitions, 137 flow [2021-03-25 04:53:17,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 22 transitions, 137 flow [2021-03-25 04:53:17,686 INFO L129 PetriNetUnfolder]: 2/27 cut-off events. [2021-03-25 04:53:17,686 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2021-03-25 04:53:17,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 27 events. 2/27 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 76. Up to 7 conditions per place. [2021-03-25 04:53:17,687 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-25 04:53:18,985 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-25 04:53:19,447 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-25 04:53:21,880 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 337 DAG size of output: 258 [2021-03-25 04:53:22,786 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-03-25 04:53:23,339 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-03-25 04:53:23,864 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-03-25 04:53:24,880 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 251 [2021-03-25 04:53:25,966 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 251 [2021-03-25 04:53:25,970 INFO L154 LiptonReduction]: Checked pairs total: 158 [2021-03-25 04:53:25,970 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 04:53:25,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8290 [2021-03-25 04:53:25,970 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 18 transitions, 123 flow [2021-03-25 04:53:25,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:25,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:25,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:25,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:53:25,971 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:25,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:25,971 INFO L82 PathProgramCache]: Analyzing trace with hash -629026367, now seen corresponding path program 1 times [2021-03-25 04:53:25,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:25,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835150978] [2021-03-25 04:53:25,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:26,115 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 04:53:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 04:53:26,180 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-25 04:53:26,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 04:53:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 04:53:26,282 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-25 04:53:26,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 04:53:26,321 INFO L142 QuantifierPusher]: treesize reduction 73, result has 74.2 percent of original size [2021-03-25 04:53:26,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-03-25 04:53:26,556 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2021-03-25 04:53:26,570 INFO L142 QuantifierPusher]: treesize reduction 78, result has 71.4 percent of original size [2021-03-25 04:53:26,574 INFO L147 QuantifierPusher]: treesize reduction 9, result has 95.4 percent of original size 186 [2021-03-25 04:53:26,831 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2021-03-25 04:53:26,848 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.2 percent of original size [2021-03-25 04:53:26,849 INFO L147 QuantifierPusher]: treesize reduction 21, result has 52.3 percent of original size 23 [2021-03-25 04:53:26,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-25 04:53:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:53:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:26,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835150978] [2021-03-25 04:53:26,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:26,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 04:53:26,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67777645] [2021-03-25 04:53:26,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 04:53:26,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:26,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 04:53:26,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 04:53:26,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 153 [2021-03-25 04:53:26,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 18 transitions, 123 flow. Second operand has 10 states, 10 states have (on average 91.9) internal successors, (919), 10 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:26,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:26,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 153 [2021-03-25 04:53:26,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:27,333 INFO L129 PetriNetUnfolder]: 6/38 cut-off events. [2021-03-25 04:53:27,334 INFO L130 PetriNetUnfolder]: For 168/171 co-relation queries the response was YES. [2021-03-25 04:53:27,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 38 events. 6/38 cut-off events. For 168/171 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 4/41 useless extension candidates. Maximal degree in co-relation 128. Up to 10 conditions per place. [2021-03-25 04:53:27,334 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 4 selfloop transitions, 10 changer transitions 3/25 dead transitions. [2021-03-25 04:53:27,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 25 transitions, 173 flow [2021-03-25 04:53:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:53:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:53:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 744 transitions. [2021-03-25 04:53:27,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2021-03-25 04:53:27,339 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 744 transitions. [2021-03-25 04:53:27,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 744 transitions. [2021-03-25 04:53:27,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:27,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 744 transitions. [2021-03-25 04:53:27,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 93.0) internal successors, (744), 8 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 153.0) internal successors, (1377), 9 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,343 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 153.0) internal successors, (1377), 9 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:27,343 INFO L185 Difference]: Start difference. First operand has 43 places, 18 transitions, 123 flow. Second operand 8 states and 744 transitions. [2021-03-25 04:53:27,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 25 transitions, 173 flow [2021-03-25 04:53:27,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 25 transitions, 110 flow, removed 15 selfloop flow, removed 18 redundant places. [2021-03-25 04:53:27,344 INFO L241 Difference]: Finished difference. Result has 36 places, 22 transitions, 107 flow [2021-03-25 04:53:27,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=107, PETRI_PLACES=36, PETRI_TRANSITIONS=22} [2021-03-25 04:53:27,345 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2021-03-25 04:53:27,345 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:27,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 22 transitions, 107 flow [2021-03-25 04:53:27,345 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 22 transitions, 107 flow [2021-03-25 04:53:27,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 22 transitions, 107 flow [2021-03-25 04:53:27,356 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-25 04:53:27,356 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 04:53:27,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 23 events. 4/23 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2021-03-25 04:53:27,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-25 04:53:28,376 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 234 DAG size of output: 152 [2021-03-25 04:53:28,625 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-03-25 04:53:30,755 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 324 DAG size of output: 218 [2021-03-25 04:53:31,376 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 04:53:33,950 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 04:53:34,954 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 04:53:40,228 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 377 DAG size of output: 315 [2021-03-25 04:53:42,623 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 306 [2021-03-25 04:53:45,656 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 04:53:46,952 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 04:53:52,646 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-25 04:53:55,003 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 305 [2021-03-25 04:53:55,278 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-03-25 04:53:55,821 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-03-25 04:53:56,259 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-03-25 04:53:57,121 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 04:53:57,940 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-03-25 04:53:57,943 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 04:53:57,943 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 04:53:57,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30599 [2021-03-25 04:53:57,944 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 21 transitions, 112 flow [2021-03-25 04:53:57,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 91.9) internal successors, (919), 10 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:57,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:53:57,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:53:57,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:53:57,945 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:53:57,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:53:57,945 INFO L82 PathProgramCache]: Analyzing trace with hash 945501039, now seen corresponding path program 1 times [2021-03-25 04:53:57,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:53:57,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643251248] [2021-03-25 04:53:57,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:53:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:53:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:58,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:53:58,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:53:58,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:53:58,117 INFO L142 QuantifierPusher]: treesize reduction 12, result has 85.4 percent of original size [2021-03-25 04:53:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-25 04:53:58,231 INFO L142 QuantifierPusher]: treesize reduction 68, result has 57.5 percent of original size [2021-03-25 04:53:58,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-25 04:53:58,345 INFO L142 QuantifierPusher]: treesize reduction 104, result has 61.2 percent of original size [2021-03-25 04:53:58,350 INFO L147 QuantifierPusher]: treesize reduction 43, result has 73.8 percent of original size 121 [2021-03-25 04:53:58,590 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2021-03-25 04:53:58,594 INFO L142 QuantifierPusher]: treesize reduction 46, result has 64.3 percent of original size [2021-03-25 04:53:58,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-25 04:53:58,846 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-03-25 04:53:58,851 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 04:53:58,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:53:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:53:58,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643251248] [2021-03-25 04:53:58,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:53:58,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 04:53:58,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481521999] [2021-03-25 04:53:58,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 04:53:58,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:53:58,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 04:53:58,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 04:53:58,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 158 [2021-03-25 04:53:58,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 21 transitions, 112 flow. Second operand has 9 states, 9 states have (on average 91.88888888888889) internal successors, (827), 9 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:58,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:53:58,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 158 [2021-03-25 04:53:58,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:53:59,344 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-25 04:53:59,474 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-25 04:53:59,474 INFO L130 PetriNetUnfolder]: For 34/37 co-relation queries the response was YES. [2021-03-25 04:53:59,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 23 events. 4/23 cut-off events. For 34/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 37 event pairs, 0 based on Foata normal form. 4/27 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-03-25 04:53:59,475 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2021-03-25 04:53:59,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 20 transitions, 130 flow [2021-03-25 04:53:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:53:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:53:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 650 transitions. [2021-03-25 04:53:59,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5877034358047016 [2021-03-25 04:53:59,480 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 650 transitions. [2021-03-25 04:53:59,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 650 transitions. [2021-03-25 04:53:59,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:53:59,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 650 transitions. [2021-03-25 04:53:59,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:59,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:59,483 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:59,483 INFO L185 Difference]: Start difference. First operand has 34 places, 21 transitions, 112 flow. Second operand 7 states and 650 transitions. [2021-03-25 04:53:59,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 20 transitions, 130 flow [2021-03-25 04:53:59,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 20 transitions, 100 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-25 04:53:59,484 INFO L241 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2021-03-25 04:53:59,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2021-03-25 04:53:59,484 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -7 predicate places. [2021-03-25 04:53:59,485 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:53:59,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 0 transitions, 0 flow [2021-03-25 04:53:59,485 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 0 transitions, 0 flow [2021-03-25 04:53:59,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 04:53:59,485 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 04:53:59,485 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:53:59,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 04:53:59,485 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 04:53:59,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 04:53:59,486 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:53:59,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 04:53:59,486 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 04:53:59,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 91.88888888888889) internal successors, (827), 9 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:53:59,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:53:59,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:53:59 BasicIcfg [2021-03-25 04:53:59,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:53:59,495 INFO L168 Benchmark]: Toolchain (without parser) took 106025.28 ms. Allocated memory was 255.9 MB in the beginning and 660.6 MB in the end (delta: 404.8 MB). Free memory was 235.3 MB in the beginning and 243.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 396.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:59,495 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:53:59,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.10 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 235.3 MB in the beginning and 318.1 MB in the end (delta: -82.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:59,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.08 ms. Allocated memory is still 360.7 MB. Free memory was 318.1 MB in the beginning and 314.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:59,500 INFO L168 Benchmark]: Boogie Preprocessor took 66.97 ms. Allocated memory is still 360.7 MB. Free memory was 314.3 MB in the beginning and 311.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:59,501 INFO L168 Benchmark]: RCFGBuilder took 2727.04 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 311.4 MB in the beginning and 340.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:59,501 INFO L168 Benchmark]: TraceAbstraction took 102515.93 ms. Allocated memory was 434.1 MB in the beginning and 660.6 MB in the end (delta: 226.5 MB). Free memory was 340.5 MB in the beginning and 243.5 MB in the end (delta: 97.0 MB). Peak memory consumption was 324.6 MB. Max. memory is 16.0 GB. [2021-03-25 04:53:59,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 613.10 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 235.3 MB in the beginning and 318.1 MB in the end (delta: -82.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 93.08 ms. Allocated memory is still 360.7 MB. Free memory was 318.1 MB in the beginning and 314.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.97 ms. Allocated memory is still 360.7 MB. Free memory was 314.3 MB in the beginning and 311.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2727.04 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 311.4 MB in the beginning and 340.5 MB in the end (delta: -29.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 102515.93 ms. Allocated memory was 434.1 MB in the beginning and 660.6 MB in the end (delta: 226.5 MB). Free memory was 340.5 MB in the beginning and 243.5 MB in the end (delta: 97.0 MB). Peak memory consumption was 324.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6814.7ms, 86 PlacesBefore, 39 PlacesAfterwards, 81 TransitionsBefore, 33 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 4 FixpointIterations, 26 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 54 TotalNumberOfCompositions, 1924 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 794, positive: 719, positive conditional: 0, positive unconditional: 719, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 475, positive: 456, positive conditional: 0, positive unconditional: 456, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 456, positive conditional: 0, positive unconditional: 456, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 794, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2436.8ms, 37 PlacesBefore, 27 PlacesAfterwards, 26 TransitionsBefore, 20 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 3 FixpointIterations, 5 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 38, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 146, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 38, unknown conditional: 0, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1039.4ms, 34 PlacesBefore, 31 PlacesAfterwards, 27 TransitionsBefore, 25 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 582 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 69, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.0ms, 34 PlacesBefore, 34 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 181 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 38, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.1ms, 34 PlacesBefore, 34 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 179 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7ms, 38 PlacesBefore, 38 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 156 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23513.1ms, 45 PlacesBefore, 45 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 120 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 343 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 157, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23827.3ms, 50 PlacesBefore, 50 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 120 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 203 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8290.1ms, 55 PlacesBefore, 43 PlacesAfterwards, 22 TransitionsBefore, 18 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 158 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30598.3ms, 36 PlacesBefore, 34 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 3 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 32 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 102338.2ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1910.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6901.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 31 SDslu, 18 SDs, 0 SdLazy, 315 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 686.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2478.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=7, InterpolantAutomatonStates: 52, 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: 41.5ms SsaConstructionTime, 643.0ms SatisfiabilityAnalysisTime, 2882.9ms InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...