/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/mix020_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:36:28,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:36:28,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:36:28,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:36:28,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:36:28,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:36:28,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:36:28,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:36:28,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:36:28,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:36:28,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:36:28,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:36:28,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:36:28,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:36:28,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:36:28,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:36:28,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:36:28,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:36:28,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:36:28,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:36:28,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:36:28,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:36:28,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:36:28,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:36:28,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:36:28,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:36:28,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:36:28,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:36:28,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:36:28,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:36:28,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:36:28,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:36:28,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:36:28,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:36:28,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:36:28,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:36:28,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:36:28,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:36:28,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:36:28,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:36:28,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:36:28,232 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 04:36:28,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:36:28,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:36:28,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:36:28,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:36:28,268 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:36:28,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:36:28,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:36:28,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:36:28,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:36:28,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:36:28,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:36:28,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:36:28,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:36:28,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:36:28,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:36:28,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:36:28,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:36:28,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:36:28,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:36:28,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:36:28,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:36:28,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:36:28,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:36:28,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:36:28,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:36:28,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:36:28,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:36:28,273 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:36:28,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:36:28,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:36:28,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:36:28,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:36:28,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:36:28,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:36:28,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:36:28,582 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:36:28,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020_power.opt.i [2021-03-25 04:36:28,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3d26f252/47729db188d94a748832ccbe2db7b97a/FLAG5a5101de0 [2021-03-25 04:36:29,063 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:36:29,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020_power.opt.i [2021-03-25 04:36:29,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3d26f252/47729db188d94a748832ccbe2db7b97a/FLAG5a5101de0 [2021-03-25 04:36:29,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3d26f252/47729db188d94a748832ccbe2db7b97a [2021-03-25 04:36:29,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:36:29,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:36:29,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:36:29,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:36:29,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:36:29,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:36:29" (1/1) ... [2021-03-25 04:36:29,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9110135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:29, skipping insertion in model container [2021-03-25 04:36:29,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:36:29" (1/1) ... [2021-03-25 04:36:29,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:36:29,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:36:29,659 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/mix020_power.opt.i[950,963] [2021-03-25 04:36:29,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:36:29,881 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:36:29,891 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/mix020_power.opt.i[950,963] [2021-03-25 04:36:29,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:36:30,006 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:36:30,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30 WrapperNode [2021-03-25 04:36:30,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:36:30,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:36:30,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:36:30,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:36:30,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:36:30,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:36:30,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:36:30,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:36:30,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (1/1) ... [2021-03-25 04:36:30,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:36:30,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:36:30,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:36:30,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:36:30,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (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 04:36:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:36:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:36:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:36:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:36:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:36:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:36:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:36:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:36:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:36:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:36:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 04:36:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 04:36:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:36:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:36:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:36:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:36:30,198 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 04:36:32,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:36:32,013 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:36:32,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:36:32 BoogieIcfgContainer [2021-03-25 04:36:32,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:36:32,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:36:32,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:36:32,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:36:32,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:36:29" (1/3) ... [2021-03-25 04:36:32,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6811b409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:36:32, skipping insertion in model container [2021-03-25 04:36:32,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:36:30" (2/3) ... [2021-03-25 04:36:32,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6811b409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:36:32, skipping insertion in model container [2021-03-25 04:36:32,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:36:32" (3/3) ... [2021-03-25 04:36:32,021 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020_power.opt.i [2021-03-25 04:36:32,026 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:36:32,029 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:36:32,030 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:36:32,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,078 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,079 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,093 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,094 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,096 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,100 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,103 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:36:32,106 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:36:32,121 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 04:36:32,138 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:36:32,138 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:36:32,138 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:36:32,139 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:36:32,139 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:36:32,139 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:36:32,139 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:36:32,139 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:36:32,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-03-25 04:36:32,184 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-25 04:36:32,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:36:32,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-03-25 04:36:32,189 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-03-25 04:36:32,193 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-03-25 04:36:32,194 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:32,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-25 04:36:32,205 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-25 04:36:32,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-03-25 04:36:32,260 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-25 04:36:32,261 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:36:32,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-03-25 04:36:32,267 INFO L142 LiptonReduction]: Number of co-enabled transitions 2394 [2021-03-25 04:36:33,328 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:36:33,729 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:36:33,844 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:36:34,720 INFO L154 LiptonReduction]: Checked pairs total: 3759 [2021-03-25 04:36:34,720 INFO L156 LiptonReduction]: Total number of compositions: 73 [2021-03-25 04:36:34,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2529 [2021-03-25 04:36:34,730 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-25 04:36:34,731 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:36:34,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:34,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:34,732 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1799313530, now seen corresponding path program 1 times [2021-03-25 04:36:34,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:34,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161686077] [2021-03-25 04:36:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:34,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:34,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:34,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:34,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:34,950 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 04:36:34,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161686077] [2021-03-25 04:36:34,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:34,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:36:34,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707005228] [2021-03-25 04:36:34,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:36:34,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:34,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:36:34,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:36:34,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 188 [2021-03-25 04:36:34,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:34,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:34,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 188 [2021-03-25 04:36:34,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:35,048 INFO L129 PetriNetUnfolder]: 13/83 cut-off events. [2021-03-25 04:36:35,048 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:36:35,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 83 events. 13/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 233 event pairs, 5 based on Foata normal form. 7/85 useless extension candidates. Maximal degree in co-relation 102. Up to 25 conditions per place. [2021-03-25 04:36:35,052 INFO L132 encePairwiseOnDemand]: 184/188 looper letters, 6 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2021-03-25 04:36:35,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 118 flow [2021-03-25 04:36:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:36:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:36:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2021-03-25 04:36:35,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9184397163120568 [2021-03-25 04:36:35,074 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 518 transitions. [2021-03-25 04:36:35,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 518 transitions. [2021-03-25 04:36:35,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:35,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 518 transitions. [2021-03-25 04:36:35,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:35,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:35,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:35,096 INFO L185 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 518 transitions. [2021-03-25 04:36:35,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 118 flow [2021-03-25 04:36:35,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 45 transitions, 114 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 04:36:35,101 INFO L241 Difference]: Finished difference. Result has 54 places, 43 transitions, 98 flow [2021-03-25 04:36:35,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2021-03-25 04:36:35,103 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2021-03-25 04:36:35,103 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:35,104 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 43 transitions, 98 flow [2021-03-25 04:36:35,105 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 43 transitions, 98 flow [2021-03-25 04:36:35,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 98 flow [2021-03-25 04:36:35,114 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-03-25 04:36:35,114 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:36:35,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 43 events. 0/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:36:35,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 440 [2021-03-25 04:36:35,435 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:36:35,545 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:36:36,300 INFO L154 LiptonReduction]: Checked pairs total: 1334 [2021-03-25 04:36:36,300 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 04:36:36,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1197 [2021-03-25 04:36:36,301 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 70 flow [2021-03-25 04:36:36,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:36,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:36,302 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:36,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:36:36,302 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:36,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:36,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1766782407, now seen corresponding path program 1 times [2021-03-25 04:36:36,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:36,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437399424] [2021-03-25 04:36:36,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:36,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:36,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:36,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:36:36,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:36:36,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:36:36,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:36:36,412 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 04:36:36,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437399424] [2021-03-25 04:36:36,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:36,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:36:36,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413801114] [2021-03-25 04:36:36,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:36:36,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:36,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:36:36,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:36:36,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 202 [2021-03-25 04:36:36,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 165.25) internal successors, (661), 4 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:36,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:36,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 202 [2021-03-25 04:36:36,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:36,568 INFO L129 PetriNetUnfolder]: 296/599 cut-off events. [2021-03-25 04:36:36,568 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:36:36,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 599 events. 296/599 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 3344 event pairs, 62 based on Foata normal form. 0/544 useless extension candidates. Maximal degree in co-relation 1070. Up to 221 conditions per place. [2021-03-25 04:36:36,572 INFO L132 encePairwiseOnDemand]: 193/202 looper letters, 8 selfloop transitions, 7 changer transitions 14/48 dead transitions. [2021-03-25 04:36:36,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 166 flow [2021-03-25 04:36:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:36:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:36:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 850 transitions. [2021-03-25 04:36:36,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8415841584158416 [2021-03-25 04:36:36,576 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 850 transitions. [2021-03-25 04:36:36,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 850 transitions. [2021-03-25 04:36:36,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:36,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 850 transitions. [2021-03-25 04:36:36,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.0) internal successors, (850), 5 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:36,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:36,582 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:36,582 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 70 flow. Second operand 5 states and 850 transitions. [2021-03-25 04:36:36,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 166 flow [2021-03-25 04:36:36,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:36:36,584 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 130 flow [2021-03-25 04:36:36,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=130, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-03-25 04:36:36,584 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -12 predicate places. [2021-03-25 04:36:36,584 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:36,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 130 flow [2021-03-25 04:36:36,585 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 130 flow [2021-03-25 04:36:36,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 130 flow [2021-03-25 04:36:36,627 INFO L129 PetriNetUnfolder]: 152/372 cut-off events. [2021-03-25 04:36:36,628 INFO L130 PetriNetUnfolder]: For 88/101 co-relation queries the response was YES. [2021-03-25 04:36:36,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 372 events. 152/372 cut-off events. For 88/101 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2188 event pairs, 69 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 849. Up to 221 conditions per place. [2021-03-25 04:36:36,633 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-25 04:36:36,944 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-25 04:36:37,478 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 04:36:37,675 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 04:36:37,951 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 04:36:38,103 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 04:36:38,116 INFO L154 LiptonReduction]: Checked pairs total: 567 [2021-03-25 04:36:38,116 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:36:38,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1532 [2021-03-25 04:36:38,117 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 124 flow [2021-03-25 04:36:38,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 165.25) internal successors, (661), 4 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:38,117 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:38,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:36:38,118 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:38,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:38,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1568517898, now seen corresponding path program 1 times [2021-03-25 04:36:38,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:38,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226086232] [2021-03-25 04:36:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:38,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:38,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:38,170 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 04:36:38,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226086232] [2021-03-25 04:36:38,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:38,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 04:36:38,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201271417] [2021-03-25 04:36:38,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:36:38,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:38,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:36:38,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:36:38,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 205 [2021-03-25 04:36:38,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:38,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 205 [2021-03-25 04:36:38,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:38,258 INFO L129 PetriNetUnfolder]: 122/287 cut-off events. [2021-03-25 04:36:38,258 INFO L130 PetriNetUnfolder]: For 168/197 co-relation queries the response was YES. [2021-03-25 04:36:38,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 287 events. 122/287 cut-off events. For 168/197 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1439 event pairs, 40 based on Foata normal form. 3/281 useless extension candidates. Maximal degree in co-relation 728. Up to 181 conditions per place. [2021-03-25 04:36:38,260 INFO L132 encePairwiseOnDemand]: 202/205 looper letters, 1 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-03-25 04:36:38,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 31 transitions, 132 flow [2021-03-25 04:36:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:36:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:36:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2021-03-25 04:36:38,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9040650406504065 [2021-03-25 04:36:38,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2021-03-25 04:36:38,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2021-03-25 04:36:38,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:38,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2021-03-25 04:36:38,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,266 INFO L185 Difference]: Start difference. First operand has 40 places, 31 transitions, 124 flow. Second operand 3 states and 556 transitions. [2021-03-25 04:36:38,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 31 transitions, 132 flow [2021-03-25 04:36:38,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 106 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-25 04:36:38,271 INFO L241 Difference]: Finished difference. Result has 39 places, 31 transitions, 109 flow [2021-03-25 04:36:38,271 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2021-03-25 04:36:38,271 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -19 predicate places. [2021-03-25 04:36:38,272 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:38,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 31 transitions, 109 flow [2021-03-25 04:36:38,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 31 transitions, 109 flow [2021-03-25 04:36:38,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 31 transitions, 109 flow [2021-03-25 04:36:38,306 INFO L129 PetriNetUnfolder]: 122/287 cut-off events. [2021-03-25 04:36:38,307 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-03-25 04:36:38,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 287 events. 122/287 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1495 event pairs, 60 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 559. Up to 181 conditions per place. [2021-03-25 04:36:38,310 INFO L142 LiptonReduction]: Number of co-enabled transitions 364 [2021-03-25 04:36:38,320 INFO L154 LiptonReduction]: Checked pairs total: 256 [2021-03-25 04:36:38,320 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:36:38,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 04:36:38,325 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 109 flow [2021-03-25 04:36:38,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:38,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:38,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:36:38,326 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:38,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1254658685, now seen corresponding path program 1 times [2021-03-25 04:36:38,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:38,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734501492] [2021-03-25 04:36:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:38,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:38,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:38,433 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 04:36:38,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734501492] [2021-03-25 04:36:38,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:38,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 04:36:38,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271036299] [2021-03-25 04:36:38,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:36:38,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:38,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:36:38,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:36:38,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 205 [2021-03-25 04:36:38,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:38,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 205 [2021-03-25 04:36:38,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:38,470 INFO L129 PetriNetUnfolder]: 106/259 cut-off events. [2021-03-25 04:36:38,470 INFO L130 PetriNetUnfolder]: For 111/185 co-relation queries the response was YES. [2021-03-25 04:36:38,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 259 events. 106/259 cut-off events. For 111/185 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1272 event pairs, 32 based on Foata normal form. 6/257 useless extension candidates. Maximal degree in co-relation 570. Up to 161 conditions per place. [2021-03-25 04:36:38,472 INFO L132 encePairwiseOnDemand]: 201/205 looper letters, 4 selfloop transitions, 5 changer transitions 0/34 dead transitions. [2021-03-25 04:36:38,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 34 transitions, 139 flow [2021-03-25 04:36:38,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:36:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:36:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2021-03-25 04:36:38,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9040650406504065 [2021-03-25 04:36:38,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2021-03-25 04:36:38,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2021-03-25 04:36:38,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:38,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2021-03-25 04:36:38,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,478 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,478 INFO L185 Difference]: Start difference. First operand has 39 places, 31 transitions, 109 flow. Second operand 3 states and 556 transitions. [2021-03-25 04:36:38,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 34 transitions, 139 flow [2021-03-25 04:36:38,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 133 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:36:38,480 INFO L241 Difference]: Finished difference. Result has 40 places, 34 transitions, 138 flow [2021-03-25 04:36:38,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2021-03-25 04:36:38,480 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -18 predicate places. [2021-03-25 04:36:38,480 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:38,480 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 34 transitions, 138 flow [2021-03-25 04:36:38,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 34 transitions, 138 flow [2021-03-25 04:36:38,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 138 flow [2021-03-25 04:36:38,507 INFO L129 PetriNetUnfolder]: 106/255 cut-off events. [2021-03-25 04:36:38,507 INFO L130 PetriNetUnfolder]: For 67/70 co-relation queries the response was YES. [2021-03-25 04:36:38,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 255 events. 106/255 cut-off events. For 67/70 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1243 event pairs, 52 based on Foata normal form. 1/250 useless extension candidates. Maximal degree in co-relation 561. Up to 161 conditions per place. [2021-03-25 04:36:38,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-25 04:36:38,519 INFO L154 LiptonReduction]: Checked pairs total: 320 [2021-03-25 04:36:38,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:36:38,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-25 04:36:38,520 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 138 flow [2021-03-25 04:36:38,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:38,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:38,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:36:38,521 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:38,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:38,521 INFO L82 PathProgramCache]: Analyzing trace with hash -568532118, now seen corresponding path program 1 times [2021-03-25 04:36:38,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:38,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237044433] [2021-03-25 04:36:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:38,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:38,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:38,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:38,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:36:38,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:38,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:38,624 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 04:36:38,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237044433] [2021-03-25 04:36:38,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:38,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:36:38,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095037176] [2021-03-25 04:36:38,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:36:38,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:38,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:36:38,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:36:38,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 205 [2021-03-25 04:36:38,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:38,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 205 [2021-03-25 04:36:38,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:38,785 INFO L129 PetriNetUnfolder]: 660/1282 cut-off events. [2021-03-25 04:36:38,785 INFO L130 PetriNetUnfolder]: For 271/353 co-relation queries the response was YES. [2021-03-25 04:36:38,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2798 conditions, 1282 events. 660/1282 cut-off events. For 271/353 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 9015 event pairs, 300 based on Foata normal form. 111/1257 useless extension candidates. Maximal degree in co-relation 2785. Up to 757 conditions per place. [2021-03-25 04:36:38,798 INFO L132 encePairwiseOnDemand]: 198/205 looper letters, 10 selfloop transitions, 10 changer transitions 0/47 dead transitions. [2021-03-25 04:36:38,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 47 transitions, 204 flow [2021-03-25 04:36:38,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:36:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:36:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 887 transitions. [2021-03-25 04:36:38,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8653658536585366 [2021-03-25 04:36:38,801 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 887 transitions. [2021-03-25 04:36:38,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 887 transitions. [2021-03-25 04:36:38,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:38,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 887 transitions. [2021-03-25 04:36:38,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,807 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,807 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 138 flow. Second operand 5 states and 887 transitions. [2021-03-25 04:36:38,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 47 transitions, 204 flow [2021-03-25 04:36:38,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 47 transitions, 199 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:36:38,810 INFO L241 Difference]: Finished difference. Result has 46 places, 43 transitions, 208 flow [2021-03-25 04:36:38,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=46, PETRI_TRANSITIONS=43} [2021-03-25 04:36:38,810 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -12 predicate places. [2021-03-25 04:36:38,811 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:38,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 43 transitions, 208 flow [2021-03-25 04:36:38,811 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 43 transitions, 208 flow [2021-03-25 04:36:38,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 43 transitions, 208 flow [2021-03-25 04:36:38,914 INFO L129 PetriNetUnfolder]: 653/1263 cut-off events. [2021-03-25 04:36:38,914 INFO L130 PetriNetUnfolder]: For 926/1261 co-relation queries the response was YES. [2021-03-25 04:36:38,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3605 conditions, 1263 events. 653/1263 cut-off events. For 926/1261 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 9031 event pairs, 329 based on Foata normal form. 17/1140 useless extension candidates. Maximal degree in co-relation 3590. Up to 801 conditions per place. [2021-03-25 04:36:38,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-25 04:36:38,970 INFO L154 LiptonReduction]: Checked pairs total: 443 [2021-03-25 04:36:38,970 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:36:38,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-03-25 04:36:38,972 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 202 flow [2021-03-25 04:36:38,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:38,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:38,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:38,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:36:38,973 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:38,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:38,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1979436945, now seen corresponding path program 1 times [2021-03-25 04:36:38,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:38,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304301553] [2021-03-25 04:36:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:39,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:39,057 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 04:36:39,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304301553] [2021-03-25 04:36:39,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:39,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:36:39,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510280962] [2021-03-25 04:36:39,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:36:39,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:39,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:36:39,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:36:39,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 205 [2021-03-25 04:36:39,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:39,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 205 [2021-03-25 04:36:39,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:39,244 INFO L129 PetriNetUnfolder]: 710/1347 cut-off events. [2021-03-25 04:36:39,244 INFO L130 PetriNetUnfolder]: For 1580/2004 co-relation queries the response was YES. [2021-03-25 04:36:39,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3874 conditions, 1347 events. 710/1347 cut-off events. For 1580/2004 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 9171 event pairs, 354 based on Foata normal form. 72/1268 useless extension candidates. Maximal degree in co-relation 3857. Up to 884 conditions per place. [2021-03-25 04:36:39,256 INFO L132 encePairwiseOnDemand]: 202/205 looper letters, 4 selfloop transitions, 5 changer transitions 0/38 dead transitions. [2021-03-25 04:36:39,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 196 flow [2021-03-25 04:36:39,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:36:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:36:39,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2021-03-25 04:36:39,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9024390243902439 [2021-03-25 04:36:39,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2021-03-25 04:36:39,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2021-03-25 04:36:39,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:39,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2021-03-25 04:36:39,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,265 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 202 flow. Second operand 3 states and 555 transitions. [2021-03-25 04:36:39,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 196 flow [2021-03-25 04:36:39,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 189 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:36:39,274 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 188 flow [2021-03-25 04:36:39,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2021-03-25 04:36:39,274 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -13 predicate places. [2021-03-25 04:36:39,274 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:39,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 38 transitions, 188 flow [2021-03-25 04:36:39,275 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 38 transitions, 188 flow [2021-03-25 04:36:39,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 38 transitions, 188 flow [2021-03-25 04:36:39,383 INFO L129 PetriNetUnfolder]: 737/1385 cut-off events. [2021-03-25 04:36:39,383 INFO L130 PetriNetUnfolder]: For 1173/1371 co-relation queries the response was YES. [2021-03-25 04:36:39,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3812 conditions, 1385 events. 737/1385 cut-off events. For 1173/1371 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 9521 event pairs, 391 based on Foata normal form. 5/1255 useless extension candidates. Maximal degree in co-relation 3797. Up to 932 conditions per place. [2021-03-25 04:36:39,401 INFO L142 LiptonReduction]: Number of co-enabled transitions 494 [2021-03-25 04:36:39,448 INFO L154 LiptonReduction]: Checked pairs total: 123 [2021-03-25 04:36:39,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:36:39,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174 [2021-03-25 04:36:39,449 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 188 flow [2021-03-25 04:36:39,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:39,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:39,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:36:39,450 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:39,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:39,450 INFO L82 PathProgramCache]: Analyzing trace with hash -164185370, now seen corresponding path program 1 times [2021-03-25 04:36:39,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:39,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001627228] [2021-03-25 04:36:39,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:39,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:39,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:39,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:36:39,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:39,563 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 04:36:39,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001627228] [2021-03-25 04:36:39,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:39,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:36:39,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764180423] [2021-03-25 04:36:39,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:36:39,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:39,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:36:39,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:36:39,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 205 [2021-03-25 04:36:39,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:39,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 205 [2021-03-25 04:36:39,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:39,718 INFO L129 PetriNetUnfolder]: 507/1104 cut-off events. [2021-03-25 04:36:39,718 INFO L130 PetriNetUnfolder]: For 1104/2116 co-relation queries the response was YES. [2021-03-25 04:36:39,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3884 conditions, 1104 events. 507/1104 cut-off events. For 1104/2116 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 7797 event pairs, 108 based on Foata normal form. 257/1296 useless extension candidates. Maximal degree in co-relation 3867. Up to 791 conditions per place. [2021-03-25 04:36:39,730 INFO L132 encePairwiseOnDemand]: 198/205 looper letters, 10 selfloop transitions, 14 changer transitions 0/51 dead transitions. [2021-03-25 04:36:39,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 312 flow [2021-03-25 04:36:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:36:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:36:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1064 transitions. [2021-03-25 04:36:39,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.865040650406504 [2021-03-25 04:36:39,733 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1064 transitions. [2021-03-25 04:36:39,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1064 transitions. [2021-03-25 04:36:39,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:39,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1064 transitions. [2021-03-25 04:36:39,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 205.0) internal successors, (1435), 7 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,738 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 205.0) internal successors, (1435), 7 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,738 INFO L185 Difference]: Start difference. First operand has 45 places, 38 transitions, 188 flow. Second operand 6 states and 1064 transitions. [2021-03-25 04:36:39,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 312 flow [2021-03-25 04:36:39,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 303 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 04:36:39,743 INFO L241 Difference]: Finished difference. Result has 52 places, 47 transitions, 299 flow [2021-03-25 04:36:39,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=299, PETRI_PLACES=52, PETRI_TRANSITIONS=47} [2021-03-25 04:36:39,743 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2021-03-25 04:36:39,743 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:39,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 47 transitions, 299 flow [2021-03-25 04:36:39,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 47 transitions, 299 flow [2021-03-25 04:36:39,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 47 transitions, 299 flow [2021-03-25 04:36:39,836 INFO L129 PetriNetUnfolder]: 491/1073 cut-off events. [2021-03-25 04:36:39,837 INFO L130 PetriNetUnfolder]: For 2240/2718 co-relation queries the response was YES. [2021-03-25 04:36:39,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4502 conditions, 1073 events. 491/1073 cut-off events. For 2240/2718 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 7787 event pairs, 116 based on Foata normal form. 32/1051 useless extension candidates. Maximal degree in co-relation 4483. Up to 781 conditions per place. [2021-03-25 04:36:39,852 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-25 04:36:39,987 INFO L154 LiptonReduction]: Checked pairs total: 381 [2021-03-25 04:36:39,988 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:36:39,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-03-25 04:36:39,988 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 291 flow [2021-03-25 04:36:39,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:39,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:39,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:39,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:36:39,989 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:39,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:39,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1701417292, now seen corresponding path program 1 times [2021-03-25 04:36:39,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:39,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346563561] [2021-03-25 04:36:39,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:40,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:36:40,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:40,136 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 04:36:40,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346563561] [2021-03-25 04:36:40,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:40,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:36:40,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996024246] [2021-03-25 04:36:40,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:36:40,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:40,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:36:40,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:36:40,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 205 [2021-03-25 04:36:40,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 291 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:40,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 205 [2021-03-25 04:36:40,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:40,264 INFO L129 PetriNetUnfolder]: 271/652 cut-off events. [2021-03-25 04:36:40,264 INFO L130 PetriNetUnfolder]: For 1681/2409 co-relation queries the response was YES. [2021-03-25 04:36:40,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3022 conditions, 652 events. 271/652 cut-off events. For 1681/2409 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4150 event pairs, 30 based on Foata normal form. 275/896 useless extension candidates. Maximal degree in co-relation 3001. Up to 454 conditions per place. [2021-03-25 04:36:40,272 INFO L132 encePairwiseOnDemand]: 198/205 looper letters, 6 selfloop transitions, 18 changer transitions 4/55 dead transitions. [2021-03-25 04:36:40,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 55 transitions, 433 flow [2021-03-25 04:36:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:36:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:36:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1241 transitions. [2021-03-25 04:36:40,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.864808362369338 [2021-03-25 04:36:40,276 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1241 transitions. [2021-03-25 04:36:40,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1241 transitions. [2021-03-25 04:36:40,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:40,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1241 transitions. [2021-03-25 04:36:40,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 177.28571428571428) internal successors, (1241), 7 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 205.0) internal successors, (1640), 8 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,284 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 205.0) internal successors, (1640), 8 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,284 INFO L185 Difference]: Start difference. First operand has 52 places, 46 transitions, 291 flow. Second operand 7 states and 1241 transitions. [2021-03-25 04:36:40,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 55 transitions, 433 flow [2021-03-25 04:36:40,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 371 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-25 04:36:40,294 INFO L241 Difference]: Finished difference. Result has 55 places, 51 transitions, 351 flow [2021-03-25 04:36:40,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=351, PETRI_PLACES=55, PETRI_TRANSITIONS=51} [2021-03-25 04:36:40,294 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -3 predicate places. [2021-03-25 04:36:40,295 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:40,295 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 351 flow [2021-03-25 04:36:40,295 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 351 flow [2021-03-25 04:36:40,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 351 flow [2021-03-25 04:36:40,351 INFO L129 PetriNetUnfolder]: 263/630 cut-off events. [2021-03-25 04:36:40,351 INFO L130 PetriNetUnfolder]: For 1399/1487 co-relation queries the response was YES. [2021-03-25 04:36:40,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2580 conditions, 630 events. 263/630 cut-off events. For 1399/1487 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4190 event pairs, 36 based on Foata normal form. 2/602 useless extension candidates. Maximal degree in co-relation 2560. Up to 396 conditions per place. [2021-03-25 04:36:40,361 INFO L142 LiptonReduction]: Number of co-enabled transitions 712 [2021-03-25 04:36:40,396 INFO L154 LiptonReduction]: Checked pairs total: 414 [2021-03-25 04:36:40,396 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:36:40,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-25 04:36:40,396 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 341 flow [2021-03-25 04:36:40,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:40,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:40,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:36:40,397 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:40,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:40,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1788519716, now seen corresponding path program 1 times [2021-03-25 04:36:40,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:40,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396978838] [2021-03-25 04:36:40,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,490 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:36:40,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:36:40,501 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 04:36:40,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396978838] [2021-03-25 04:36:40,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:40,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:36:40,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940788166] [2021-03-25 04:36:40,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:36:40,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:40,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:36:40,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:36:40,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 205 [2021-03-25 04:36:40,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 341 flow. Second operand has 5 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:40,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 205 [2021-03-25 04:36:40,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:40,648 INFO L129 PetriNetUnfolder]: 372/853 cut-off events. [2021-03-25 04:36:40,648 INFO L130 PetriNetUnfolder]: For 1826/2224 co-relation queries the response was YES. [2021-03-25 04:36:40,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3360 conditions, 853 events. 372/853 cut-off events. For 1826/2224 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5486 event pairs, 33 based on Foata normal form. 22/829 useless extension candidates. Maximal degree in co-relation 3338. Up to 452 conditions per place. [2021-03-25 04:36:40,655 INFO L132 encePairwiseOnDemand]: 196/205 looper letters, 13 selfloop transitions, 14 changer transitions 12/67 dead transitions. [2021-03-25 04:36:40,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 67 transitions, 481 flow [2021-03-25 04:36:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:36:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:36:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1021 transitions. [2021-03-25 04:36:40,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8300813008130081 [2021-03-25 04:36:40,658 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1021 transitions. [2021-03-25 04:36:40,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1021 transitions. [2021-03-25 04:36:40,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:40,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1021 transitions. [2021-03-25 04:36:40,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 205.0) internal successors, (1435), 7 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,664 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 205.0) internal successors, (1435), 7 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,664 INFO L185 Difference]: Start difference. First operand has 55 places, 50 transitions, 341 flow. Second operand 6 states and 1021 transitions. [2021-03-25 04:36:40,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 67 transitions, 481 flow [2021-03-25 04:36:40,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 67 transitions, 440 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-25 04:36:40,681 INFO L241 Difference]: Finished difference. Result has 56 places, 50 transitions, 309 flow [2021-03-25 04:36:40,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=309, PETRI_PLACES=56, PETRI_TRANSITIONS=50} [2021-03-25 04:36:40,681 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -2 predicate places. [2021-03-25 04:36:40,681 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:40,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 50 transitions, 309 flow [2021-03-25 04:36:40,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 50 transitions, 309 flow [2021-03-25 04:36:40,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 50 transitions, 309 flow [2021-03-25 04:36:40,741 INFO L129 PetriNetUnfolder]: 302/710 cut-off events. [2021-03-25 04:36:40,741 INFO L130 PetriNetUnfolder]: For 976/1015 co-relation queries the response was YES. [2021-03-25 04:36:40,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2306 conditions, 710 events. 302/710 cut-off events. For 976/1015 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4650 event pairs, 49 based on Foata normal form. 2/675 useless extension candidates. Maximal degree in co-relation 2285. Up to 280 conditions per place. [2021-03-25 04:36:40,750 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-25 04:36:40,762 INFO L154 LiptonReduction]: Checked pairs total: 162 [2021-03-25 04:36:40,762 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:36:40,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-25 04:36:40,764 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 50 transitions, 309 flow [2021-03-25 04:36:40,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:40,764 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:40,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:36:40,764 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:40,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:40,765 INFO L82 PathProgramCache]: Analyzing trace with hash 643514928, now seen corresponding path program 2 times [2021-03-25 04:36:40,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:40,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779993501] [2021-03-25 04:36:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:40,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:40,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:36:40,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:40,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:40,878 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 04:36:40,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779993501] [2021-03-25 04:36:40,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:40,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:36:40,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261502848] [2021-03-25 04:36:40,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:36:40,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:40,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:36:40,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:36:40,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 205 [2021-03-25 04:36:40,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 50 transitions, 309 flow. Second operand has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:40,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:40,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 205 [2021-03-25 04:36:40,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:41,039 INFO L129 PetriNetUnfolder]: 284/665 cut-off events. [2021-03-25 04:36:41,039 INFO L130 PetriNetUnfolder]: For 1167/1629 co-relation queries the response was YES. [2021-03-25 04:36:41,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2554 conditions, 665 events. 284/665 cut-off events. For 1167/1629 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4103 event pairs, 30 based on Foata normal form. 233/853 useless extension candidates. Maximal degree in co-relation 2531. Up to 257 conditions per place. [2021-03-25 04:36:41,044 INFO L132 encePairwiseOnDemand]: 198/205 looper letters, 2 selfloop transitions, 18 changer transitions 11/55 dead transitions. [2021-03-25 04:36:41,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 55 transitions, 405 flow [2021-03-25 04:36:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:36:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:36:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1410 transitions. [2021-03-25 04:36:41,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8597560975609756 [2021-03-25 04:36:41,048 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1410 transitions. [2021-03-25 04:36:41,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1410 transitions. [2021-03-25 04:36:41,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:41,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1410 transitions. [2021-03-25 04:36:41,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 176.25) internal successors, (1410), 8 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:41,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 205.0) internal successors, (1845), 9 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:41,057 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 205.0) internal successors, (1845), 9 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:41,057 INFO L185 Difference]: Start difference. First operand has 56 places, 50 transitions, 309 flow. Second operand 8 states and 1410 transitions. [2021-03-25 04:36:41,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 55 transitions, 405 flow [2021-03-25 04:36:41,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 55 transitions, 381 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-25 04:36:41,065 INFO L241 Difference]: Finished difference. Result has 65 places, 44 transitions, 300 flow [2021-03-25 04:36:41,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=300, PETRI_PLACES=65, PETRI_TRANSITIONS=44} [2021-03-25 04:36:41,066 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 7 predicate places. [2021-03-25 04:36:41,066 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:41,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 44 transitions, 300 flow [2021-03-25 04:36:41,067 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 44 transitions, 300 flow [2021-03-25 04:36:41,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 44 transitions, 300 flow [2021-03-25 04:36:41,088 INFO L129 PetriNetUnfolder]: 68/188 cut-off events. [2021-03-25 04:36:41,088 INFO L130 PetriNetUnfolder]: For 322/343 co-relation queries the response was YES. [2021-03-25 04:36:41,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 188 events. 68/188 cut-off events. For 322/343 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 889 event pairs, 13 based on Foata normal form. 1/181 useless extension candidates. Maximal degree in co-relation 677. Up to 65 conditions per place. [2021-03-25 04:36:41,091 INFO L142 LiptonReduction]: Number of co-enabled transitions 384 [2021-03-25 04:36:41,425 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 04:36:41,556 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 04:36:41,882 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 04:36:42,007 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 04:36:42,014 INFO L154 LiptonReduction]: Checked pairs total: 354 [2021-03-25 04:36:42,015 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 04:36:42,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 949 [2021-03-25 04:36:42,015 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 280 flow [2021-03-25 04:36:42,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:42,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:42,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:42,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:36:42,016 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:42,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1675503282, now seen corresponding path program 1 times [2021-03-25 04:36:42,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:42,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061471700] [2021-03-25 04:36:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:36:42,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:42,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:36:42,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:42,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:36:42,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:36:42,078 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 04:36:42,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061471700] [2021-03-25 04:36:42,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:36:42,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:36:42,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305628904] [2021-03-25 04:36:42,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:36:42,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:36:42,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:36:42,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:36:42,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 208 [2021-03-25 04:36:42,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 40 transitions, 280 flow. Second operand has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:42,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:36:42,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 208 [2021-03-25 04:36:42,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:36:42,125 INFO L129 PetriNetUnfolder]: 110/288 cut-off events. [2021-03-25 04:36:42,126 INFO L130 PetriNetUnfolder]: For 1901/2008 co-relation queries the response was YES. [2021-03-25 04:36:42,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 288 events. 110/288 cut-off events. For 1901/2008 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1641 event pairs, 18 based on Foata normal form. 33/305 useless extension candidates. Maximal degree in co-relation 1022. Up to 96 conditions per place. [2021-03-25 04:36:42,128 INFO L132 encePairwiseOnDemand]: 205/208 looper letters, 3 selfloop transitions, 1 changer transitions 7/42 dead transitions. [2021-03-25 04:36:42,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 42 transitions, 305 flow [2021-03-25 04:36:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:36:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:36:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 734 transitions. [2021-03-25 04:36:42,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8822115384615384 [2021-03-25 04:36:42,130 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 734 transitions. [2021-03-25 04:36:42,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 734 transitions. [2021-03-25 04:36:42,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:36:42,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 734 transitions. [2021-03-25 04:36:42,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:42,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:42,134 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:42,134 INFO L185 Difference]: Start difference. First operand has 59 places, 40 transitions, 280 flow. Second operand 4 states and 734 transitions. [2021-03-25 04:36:42,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 42 transitions, 305 flow [2021-03-25 04:36:42,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 231 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-03-25 04:36:42,139 INFO L241 Difference]: Finished difference. Result has 53 places, 35 transitions, 187 flow [2021-03-25 04:36:42,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=187, PETRI_PLACES=53, PETRI_TRANSITIONS=35} [2021-03-25 04:36:42,139 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -5 predicate places. [2021-03-25 04:36:42,139 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:36:42,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 35 transitions, 187 flow [2021-03-25 04:36:42,139 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 35 transitions, 187 flow [2021-03-25 04:36:42,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 35 transitions, 187 flow [2021-03-25 04:36:42,151 INFO L129 PetriNetUnfolder]: 43/124 cut-off events. [2021-03-25 04:36:42,151 INFO L130 PetriNetUnfolder]: For 306/327 co-relation queries the response was YES. [2021-03-25 04:36:42,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 124 events. 43/124 cut-off events. For 306/327 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 535 event pairs, 8 based on Foata normal form. 11/130 useless extension candidates. Maximal degree in co-relation 348. Up to 38 conditions per place. [2021-03-25 04:36:42,152 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 04:36:42,704 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 164 [2021-03-25 04:36:42,833 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-03-25 04:36:44,041 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 333 DAG size of output: 231 [2021-03-25 04:36:44,289 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 04:36:44,313 INFO L154 LiptonReduction]: Checked pairs total: 102 [2021-03-25 04:36:44,313 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:36:44,313 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2174 [2021-03-25 04:36:44,314 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 183 flow [2021-03-25 04:36:44,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:36:44,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:36:44,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:36:44,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:36:44,314 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:36:44,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:36:44,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1297340496, now seen corresponding path program 1 times [2021-03-25 04:36:44,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:36:44,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442748977] [2021-03-25 04:36:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:36:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:36:44,357 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:36:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:36:44,410 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:36:44,444 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:36:44,444 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:36:44,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:36:44,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:36:44 BasicIcfg [2021-03-25 04:36:44,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:36:44,592 INFO L168 Benchmark]: Toolchain (without parser) took 15160.92 ms. Allocated memory was 325.1 MB in the beginning and 696.3 MB in the end (delta: 371.2 MB). Free memory was 287.9 MB in the beginning and 661.3 MB in the end (delta: -373.5 MB). Peak memory consumption was 395.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:36:44,593 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 325.1 MB. Free memory was 306.4 MB in the beginning and 306.3 MB in the end (delta: 76.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:36:44,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.03 ms. Allocated memory is still 325.1 MB. Free memory was 287.7 MB in the beginning and 281.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:36:44,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 325.1 MB. Free memory was 281.7 MB in the beginning and 278.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:36:44,593 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 ms. Allocated memory is still 325.1 MB. Free memory was 278.6 MB in the beginning and 276.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:36:44,594 INFO L168 Benchmark]: RCFGBuilder took 1904.03 ms. Allocated memory is still 325.1 MB. Free memory was 276.5 MB in the beginning and 157.5 MB in the end (delta: 119.0 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:36:44,594 INFO L168 Benchmark]: TraceAbstraction took 12575.21 ms. Allocated memory was 325.1 MB in the beginning and 696.3 MB in the end (delta: 371.2 MB). Free memory was 156.4 MB in the beginning and 661.3 MB in the end (delta: -504.9 MB). Peak memory consumption was 260.5 MB. Max. memory is 16.0 GB. [2021-03-25 04:36:44,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 325.1 MB. Free memory was 306.4 MB in the beginning and 306.3 MB in the end (delta: 76.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 574.03 ms. Allocated memory is still 325.1 MB. Free memory was 287.7 MB in the beginning and 281.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 325.1 MB. Free memory was 281.7 MB in the beginning and 278.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 325.1 MB. Free memory was 278.6 MB in the beginning and 276.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1904.03 ms. Allocated memory is still 325.1 MB. Free memory was 276.5 MB in the beginning and 157.5 MB in the end (delta: 119.0 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12575.21 ms. Allocated memory was 325.1 MB in the beginning and 696.3 MB in the end (delta: 371.2 MB). Free memory was 156.4 MB in the beginning and 661.3 MB in the end (delta: -504.9 MB). Peak memory consumption was 260.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2515.3ms, 122 PlacesBefore, 58 PlacesAfterwards, 111 TransitionsBefore, 46 TransitionsAfterwards, 2394 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 73 TotalNumberOfCompositions, 3759 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1994, positive: 1909, positive conditional: 0, positive unconditional: 1909, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1158, positive: 1134, positive conditional: 0, positive unconditional: 1134, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1158, positive: 1134, positive conditional: 0, positive unconditional: 1134, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1994, positive: 775, positive conditional: 0, positive unconditional: 775, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 1158, unknown conditional: 0, unknown unconditional: 1158] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 113, Positive conditional cache size: 0, Positive unconditional cache size: 113, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1195.1ms, 54 PlacesBefore, 40 PlacesAfterwards, 43 TransitionsBefore, 29 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 3 FixpointIterations, 10 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 1334 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 79, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 365, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 104, Positive conditional cache size: 0, Positive unconditional cache size: 104, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1531.1ms, 46 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 31 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 567 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.5ms, 39 PlacesBefore, 39 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 364 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 49, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.4ms, 40 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 320 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 41, positive conditional: 0, positive unconditional: 41, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 56, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159.1ms, 46 PlacesBefore, 46 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 443 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 93, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.2ms, 45 PlacesBefore, 45 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 494 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.0ms, 52 PlacesBefore, 52 PlacesAfterwards, 47 TransitionsBefore, 46 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 381 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 73, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 73, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.0ms, 55 PlacesBefore, 55 PlacesAfterwards, 51 TransitionsBefore, 50 TransitionsAfterwards, 712 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.5ms, 56 PlacesBefore, 56 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 947.9ms, 65 PlacesBefore, 59 PlacesAfterwards, 44 TransitionsBefore, 40 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 354 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 90, positive conditional: 0, positive unconditional: 90, 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: 11, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 108, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 67, Positive conditional cache size: 0, Positive unconditional cache size: 67, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2173.7ms, 53 PlacesBefore, 50 PlacesAfterwards, 35 TransitionsBefore, 33 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 102 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 48, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L864] 0 pthread_t t525; [L865] FCALL, FORK 0 pthread_create(&t525, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L866] 0 pthread_t t526; [L867] FCALL, FORK 0 pthread_create(&t526, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L868] 0 pthread_t t527; [L869] FCALL, FORK 0 pthread_create(&t527, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L870] 0 pthread_t t528; [L871] FCALL, FORK 0 pthread_create(&t528, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 z$flush_delayed = weak$$choice2 [L826] 4 z$mem_tmp = z [L827] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L827] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L827] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L828] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L828] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L829] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L829] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L830] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L830] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L831] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L832] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L833] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = z [L835] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L835] 4 z = z$flush_delayed ? z$mem_tmp : z [L836] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L839] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L767] 2 x = 1 [L770] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L782] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L842] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L842] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L843] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L843] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L844] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L844] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L845] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L845] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L846] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L846] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L851] 4 return 0; [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L877] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L877] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L877] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L877] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L878] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L878] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L879] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L879] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L880] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L880] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L881] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L881] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L884] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12310.1ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1611.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2586.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 43 SDslu, 47 SDs, 0 SdLazy, 201 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 182.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 146.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=8, InterpolantAutomatonStates: 53, 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: 42.8ms SsaConstructionTime, 455.6ms SatisfiabilityAnalysisTime, 621.9ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...