/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix039_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:16:08,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:16:08,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:16:08,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:16:08,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:16:08,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:16:08,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:16:08,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:16:08,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:16:08,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:16:08,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:16:08,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:16:08,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:16:08,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:16:08,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:16:08,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:16:08,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:16:08,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:16:08,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:16:08,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:16:08,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:16:08,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:16:08,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:16:08,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:16:08,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:16:08,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:16:08,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:16:08,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:16:08,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:16:08,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:16:08,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:16:08,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:16:08,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:16:08,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:16:08,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:16:08,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:16:08,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:16:08,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:16:08,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:16:08,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:16:08,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:16:08,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-06-11 06:16:08,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:16:08,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:16:08,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:16:08,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:16:08,253 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:16:08,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:16:08,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:16:08,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:16:08,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:16:08,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:16:08,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:16:08,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:16:08,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:16:08,255 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:16:08,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:16:08,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:16:08,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:16:08,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:16:08,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:16:08,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:16:08,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:16:08,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:16:08,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:16:08,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:16:08,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:16:08,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:16:08,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:16:08,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:16:08,588 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:16:08,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039_power.oepc.i [2021-06-11 06:16:08,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f73d73ca/8fd521fc06c1415c9a71262fb99d001f/FLAG22af2077d [2021-06-11 06:16:09,105 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:16:09,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039_power.oepc.i [2021-06-11 06:16:09,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f73d73ca/8fd521fc06c1415c9a71262fb99d001f/FLAG22af2077d [2021-06-11 06:16:09,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f73d73ca/8fd521fc06c1415c9a71262fb99d001f [2021-06-11 06:16:09,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:16:09,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:16:09,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:16:09,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:16:09,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:16:09,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:16:09" (1/1) ... [2021-06-11 06:16:09,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea69370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:09, skipping insertion in model container [2021-06-11 06:16:09,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:16:09" (1/1) ... [2021-06-11 06:16:09,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:16:09,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:16:09,614 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/mix039_power.oepc.i[951,964] [2021-06-11 06:16:09,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:16:09,855 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:16:09,868 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/mix039_power.oepc.i[951,964] [2021-06-11 06:16:09,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:16:10,010 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:16:10,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10 WrapperNode [2021-06-11 06:16:10,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:16:10,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:16:10,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:16:10,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:16:10,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:16:10,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:16:10,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:16:10,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:16:10,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (1/1) ... [2021-06-11 06:16:10,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:16:10,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:16:10,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:16:10,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:16:10,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (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 [2021-06-11 06:16:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:16:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:16:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:16:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:16:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:16:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:16:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:16:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:16:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:16:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:16:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:16:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:16:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:16:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:16:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:16:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:16:10,229 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:16:12,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:16:12,236 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:16:12,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:16:12 BoogieIcfgContainer [2021-06-11 06:16:12,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:16:12,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:16:12,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:16:12,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:16:12,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:16:09" (1/3) ... [2021-06-11 06:16:12,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d71120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:16:12, skipping insertion in model container [2021-06-11 06:16:12,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:10" (2/3) ... [2021-06-11 06:16:12,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d71120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:16:12, skipping insertion in model container [2021-06-11 06:16:12,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:16:12" (3/3) ... [2021-06-11 06:16:12,244 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_power.oepc.i [2021-06-11 06:16:12,249 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:16:12,259 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:16:12,260 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:16:12,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,299 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,303 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,306 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,330 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,332 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:12,337 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:16:12,352 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:16:12,370 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:16:12,370 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:16:12,370 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:16:12,370 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:16:12,370 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:16:12,370 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:16:12,370 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:16:12,370 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:16:12,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-06-11 06:16:12,417 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-06-11 06:16:12,417 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:12,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-06-11 06:16:12,421 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-06-11 06:16:12,425 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-06-11 06:16:12,427 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:12,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-06-11 06:16:12,441 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-06-11 06:16:12,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-06-11 06:16:12,462 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-06-11 06:16:12,462 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:12,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-06-11 06:16:12,466 INFO L151 LiptonReduction]: Number of co-enabled transitions 2876 [2021-06-11 06:16:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:12,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:12,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:12,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:12,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:12,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:13,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:13,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:13,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:13,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:13,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:13,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:13,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:13,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:13,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:13,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,803 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:16:13,803 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:13,830 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,142 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:16:14,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:14,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:14,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:15,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:15,284 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:16:15,718 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 06:16:15,863 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 06:16:15,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:15,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:16:15,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,894 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 06:16:15,894 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:15,898 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,901 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 06:16:15,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:15,906 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 06:16:15,907 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 06:16:15,907 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:15,909 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,914 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 06:16:15,915 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 06:16:15,915 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:15,918 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:15,928 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 06:16:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:16,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:16,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:16,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:16,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:16,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,592 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:16:16,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:16,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:16,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:17,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:16:17,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:17,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:16:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:16:17,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:16:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:16:17,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:17,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:17,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:17,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:17,918 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-11 06:16:18,032 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-11 06:16:18,163 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-11 06:16:18,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:18,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:18,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:18,615 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-11 06:16:18,768 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-11 06:16:19,128 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-11 06:16:19,282 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-11 06:16:19,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:19,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:19,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:19,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:19,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:19,355 INFO L163 LiptonReduction]: Checked pairs total: 9088 [2021-06-11 06:16:19,356 INFO L165 LiptonReduction]: Total number of compositions: 105 [2021-06-11 06:16:19,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6932 [2021-06-11 06:16:19,364 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-06-11 06:16:19,364 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:19,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:19,365 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 06:16:19,365 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:19,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:19,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1227909, now seen corresponding path program 1 times [2021-06-11 06:16:19,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:19,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265386108] [2021-06-11 06:16:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:19,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265386108] [2021-06-11 06:16:19,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:19,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:16:19,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871662754] [2021-06-11 06:16:19,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:19,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:19,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:19,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:19,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 225 [2021-06-11 06:16:19,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:19,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 225 [2021-06-11 06:16:19,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:19,711 INFO L129 PetriNetUnfolder]: 133/306 cut-off events. [2021-06-11 06:16:19,712 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:19,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 306 events. 133/306 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1579 event pairs, 110 based on Foata normal form. 69/343 useless extension candidates. Maximal degree in co-relation 514. Up to 153 conditions per place. [2021-06-11 06:16:19,716 INFO L132 encePairwiseOnDemand]: 220/225 looper letters, 11 selfloop transitions, 2 changer transitions 1/38 dead transitions. [2021-06-11 06:16:19,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 38 transitions, 114 flow [2021-06-11 06:16:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2021-06-11 06:16:19,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8622222222222222 [2021-06-11 06:16:19,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 582 transitions. [2021-06-11 06:16:19,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 582 transitions. [2021-06-11 06:16:19,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:19,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 582 transitions. [2021-06-11 06:16:19,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,760 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 84 flow. Second operand 3 states and 582 transitions. [2021-06-11 06:16:19,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 38 transitions, 114 flow [2021-06-11 06:16:19,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 110 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:19,764 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 76 flow [2021-06-11 06:16:19,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-06-11 06:16:19,766 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-06-11 06:16:19,766 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:19,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 76 flow [2021-06-11 06:16:19,767 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 76 flow [2021-06-11 06:16:19,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 76 flow [2021-06-11 06:16:19,774 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-06-11 06:16:19,774 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:19,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:16:19,776 INFO L151 LiptonReduction]: Number of co-enabled transitions 522 [2021-06-11 06:16:19,834 INFO L163 LiptonReduction]: Checked pairs total: 612 [2021-06-11 06:16:19,834 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:19,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-06-11 06:16:19,835 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 76 flow [2021-06-11 06:16:19,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:19,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:19,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:16:19,836 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:19,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:19,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1894779745, now seen corresponding path program 1 times [2021-06-11 06:16:19,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:19,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371397122] [2021-06-11 06:16:19,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:19,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:19,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:19,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371397122] [2021-06-11 06:16:19,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:19,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:16:19,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008598121] [2021-06-11 06:16:19,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:19,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:19,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:19,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:19,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 225 [2021-06-11 06:16:19,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:19,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 225 [2021-06-11 06:16:19,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:19,955 INFO L129 PetriNetUnfolder]: 1/34 cut-off events. [2021-06-11 06:16:19,956 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:19,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 34 events. 1/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 68 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 44. Up to 5 conditions per place. [2021-06-11 06:16:19,956 INFO L132 encePairwiseOnDemand]: 222/225 looper letters, 1 selfloop transitions, 2 changer transitions 5/33 dead transitions. [2021-06-11 06:16:19,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 33 transitions, 88 flow [2021-06-11 06:16:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:19,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2021-06-11 06:16:19,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2021-06-11 06:16:19,959 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2021-06-11 06:16:19,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2021-06-11 06:16:19,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:19,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2021-06-11 06:16:19,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,962 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:19,962 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 76 flow. Second operand 3 states and 588 transitions. [2021-06-11 06:16:19,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 33 transitions, 88 flow [2021-06-11 06:16:19,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 33 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:19,964 INFO L241 Difference]: Finished difference. Result has 44 places, 28 transitions, 72 flow [2021-06-11 06:16:19,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=44, PETRI_TRANSITIONS=28} [2021-06-11 06:16:19,964 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-06-11 06:16:19,964 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:19,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 28 transitions, 72 flow [2021-06-11 06:16:19,965 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 28 transitions, 72 flow [2021-06-11 06:16:19,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 72 flow [2021-06-11 06:16:19,969 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-06-11 06:16:19,969 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:19,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:16:19,970 INFO L151 LiptonReduction]: Number of co-enabled transitions 410 [2021-06-11 06:16:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:20,041 INFO L163 LiptonReduction]: Checked pairs total: 949 [2021-06-11 06:16:20,042 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:16:20,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-06-11 06:16:20,043 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 70 flow [2021-06-11 06:16:20,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:20,043 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:20,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:16:20,044 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:20,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:20,044 INFO L82 PathProgramCache]: Analyzing trace with hash 145781010, now seen corresponding path program 1 times [2021-06-11 06:16:20,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:20,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197686633] [2021-06-11 06:16:20,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:20,102 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:20,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197686633] [2021-06-11 06:16:20,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:20,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:16:20,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088172727] [2021-06-11 06:16:20,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:20,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:20,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:20,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:20,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 226 [2021-06-11 06:16:20,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:20,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 226 [2021-06-11 06:16:20,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:20,193 INFO L129 PetriNetUnfolder]: 106/320 cut-off events. [2021-06-11 06:16:20,193 INFO L130 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2021-06-11 06:16:20,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 320 events. 106/320 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1841 event pairs, 26 based on Foata normal form. 17/331 useless extension candidates. Maximal degree in co-relation 564. Up to 154 conditions per place. [2021-06-11 06:16:20,196 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 9 selfloop transitions, 9 changer transitions 0/37 dead transitions. [2021-06-11 06:16:20,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 37 transitions, 132 flow [2021-06-11 06:16:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 720 transitions. [2021-06-11 06:16:20,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7964601769911505 [2021-06-11 06:16:20,199 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 720 transitions. [2021-06-11 06:16:20,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 720 transitions. [2021-06-11 06:16:20,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:20,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 720 transitions. [2021-06-11 06:16:20,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 226.0) internal successors, (1130), 5 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,204 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 226.0) internal successors, (1130), 5 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,204 INFO L185 Difference]: Start difference. First operand has 39 places, 27 transitions, 70 flow. Second operand 4 states and 720 transitions. [2021-06-11 06:16:20,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 37 transitions, 132 flow [2021-06-11 06:16:20,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 37 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:20,206 INFO L241 Difference]: Finished difference. Result has 42 places, 34 transitions, 123 flow [2021-06-11 06:16:20,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=123, PETRI_PLACES=42, PETRI_TRANSITIONS=34} [2021-06-11 06:16:20,206 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -6 predicate places. [2021-06-11 06:16:20,206 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:20,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 34 transitions, 123 flow [2021-06-11 06:16:20,207 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 34 transitions, 123 flow [2021-06-11 06:16:20,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 34 transitions, 123 flow [2021-06-11 06:16:20,238 INFO L129 PetriNetUnfolder]: 94/311 cut-off events. [2021-06-11 06:16:20,238 INFO L130 PetriNetUnfolder]: For 89/112 co-relation queries the response was YES. [2021-06-11 06:16:20,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 311 events. 94/311 cut-off events. For 89/112 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1924 event pairs, 45 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 591. Up to 139 conditions per place. [2021-06-11 06:16:20,242 INFO L151 LiptonReduction]: Number of co-enabled transitions 500 [2021-06-11 06:16:20,251 INFO L163 LiptonReduction]: Checked pairs total: 367 [2021-06-11 06:16:20,251 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:20,251 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-06-11 06:16:20,252 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 34 transitions, 123 flow [2021-06-11 06:16:20,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:20,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:20,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:16:20,253 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:20,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash 182782548, now seen corresponding path program 1 times [2021-06-11 06:16:20,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:20,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327873752] [2021-06-11 06:16:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:20,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:20,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:20,336 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:16:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:20,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327873752] [2021-06-11 06:16:20,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:20,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:20,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479382183] [2021-06-11 06:16:20,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:20,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:20,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:20,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:20,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:16:20,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 34 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:20,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:16:20,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:20,503 INFO L129 PetriNetUnfolder]: 645/1316 cut-off events. [2021-06-11 06:16:20,504 INFO L130 PetriNetUnfolder]: For 252/271 co-relation queries the response was YES. [2021-06-11 06:16:20,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2773 conditions, 1316 events. 645/1316 cut-off events. For 252/271 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 9856 event pairs, 320 based on Foata normal form. 108/1290 useless extension candidates. Maximal degree in co-relation 2761. Up to 788 conditions per place. [2021-06-11 06:16:20,517 INFO L132 encePairwiseOnDemand]: 219/226 looper letters, 10 selfloop transitions, 10 changer transitions 0/47 dead transitions. [2021-06-11 06:16:20,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 47 transitions, 189 flow [2021-06-11 06:16:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 937 transitions. [2021-06-11 06:16:20,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8292035398230089 [2021-06-11 06:16:20,519 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 937 transitions. [2021-06-11 06:16:20,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 937 transitions. [2021-06-11 06:16:20,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:20,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 937 transitions. [2021-06-11 06:16:20,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 187.4) internal successors, (937), 5 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 226.0) internal successors, (1356), 6 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,525 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 226.0) internal successors, (1356), 6 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,525 INFO L185 Difference]: Start difference. First operand has 42 places, 34 transitions, 123 flow. Second operand 5 states and 937 transitions. [2021-06-11 06:16:20,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 47 transitions, 189 flow [2021-06-11 06:16:20,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 189 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:20,531 INFO L241 Difference]: Finished difference. Result has 49 places, 43 transitions, 198 flow [2021-06-11 06:16:20,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=42, 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=198, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2021-06-11 06:16:20,531 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2021-06-11 06:16:20,531 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:20,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions, 198 flow [2021-06-11 06:16:20,532 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 43 transitions, 198 flow [2021-06-11 06:16:20,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions, 198 flow [2021-06-11 06:16:20,647 INFO L129 PetriNetUnfolder]: 638/1301 cut-off events. [2021-06-11 06:16:20,647 INFO L130 PetriNetUnfolder]: For 788/1046 co-relation queries the response was YES. [2021-06-11 06:16:20,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3600 conditions, 1301 events. 638/1301 cut-off events. For 788/1046 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 9619 event pairs, 296 based on Foata normal form. 7/1174 useless extension candidates. Maximal degree in co-relation 3585. Up to 854 conditions per place. [2021-06-11 06:16:20,667 INFO L151 LiptonReduction]: Number of co-enabled transitions 750 [2021-06-11 06:16:20,691 INFO L163 LiptonReduction]: Checked pairs total: 508 [2021-06-11 06:16:20,691 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:20,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-06-11 06:16:20,692 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 198 flow [2021-06-11 06:16:20,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:20,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:20,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:16:20,693 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1641078266, now seen corresponding path program 1 times [2021-06-11 06:16:20,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:20,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410063913] [2021-06-11 06:16:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:20,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:20,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:20,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:20,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:20,772 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:20,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:20,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410063913] [2021-06-11 06:16:20,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:20,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:20,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061710950] [2021-06-11 06:16:20,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:20,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:20,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:20,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:20,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 226 [2021-06-11 06:16:20,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:20,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:20,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 226 [2021-06-11 06:16:20,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:21,030 INFO L129 PetriNetUnfolder]: 808/1626 cut-off events. [2021-06-11 06:16:21,031 INFO L130 PetriNetUnfolder]: For 1581/2313 co-relation queries the response was YES. [2021-06-11 06:16:21,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4767 conditions, 1626 events. 808/1626 cut-off events. For 1581/2313 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 12418 event pairs, 364 based on Foata normal form. 78/1541 useless extension candidates. Maximal degree in co-relation 4750. Up to 1072 conditions per place. [2021-06-11 06:16:21,046 INFO L132 encePairwiseOnDemand]: 220/226 looper letters, 14 selfloop transitions, 9 changer transitions 0/51 dead transitions. [2021-06-11 06:16:21,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 281 flow [2021-06-11 06:16:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 718 transitions. [2021-06-11 06:16:21,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7942477876106194 [2021-06-11 06:16:21,049 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 718 transitions. [2021-06-11 06:16:21,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 718 transitions. [2021-06-11 06:16:21,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:21,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 718 transitions. [2021-06-11 06:16:21,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 179.5) internal successors, (718), 4 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 226.0) internal successors, (1130), 5 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,053 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 226.0) internal successors, (1130), 5 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,053 INFO L185 Difference]: Start difference. First operand has 49 places, 43 transitions, 198 flow. Second operand 4 states and 718 transitions. [2021-06-11 06:16:21,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 281 flow [2021-06-11 06:16:21,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:16:21,062 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 249 flow [2021-06-11 06:16:21,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=249, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2021-06-11 06:16:21,062 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2021-06-11 06:16:21,062 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:21,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 47 transitions, 249 flow [2021-06-11 06:16:21,062 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 47 transitions, 249 flow [2021-06-11 06:16:21,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 47 transitions, 249 flow [2021-06-11 06:16:21,203 INFO L129 PetriNetUnfolder]: 808/1625 cut-off events. [2021-06-11 06:16:21,203 INFO L130 PetriNetUnfolder]: For 1304/1631 co-relation queries the response was YES. [2021-06-11 06:16:21,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4604 conditions, 1625 events. 808/1625 cut-off events. For 1304/1631 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 12429 event pairs, 372 based on Foata normal form. 9/1464 useless extension candidates. Maximal degree in co-relation 4586. Up to 1101 conditions per place. [2021-06-11 06:16:21,228 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 06:16:21,249 INFO L163 LiptonReduction]: Checked pairs total: 586 [2021-06-11 06:16:21,250 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:21,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-06-11 06:16:21,251 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 249 flow [2021-06-11 06:16:21,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:21,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:21,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:16:21,252 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:21,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1067580408, now seen corresponding path program 1 times [2021-06-11 06:16:21,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:21,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12435780] [2021-06-11 06:16:21,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:21,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:21,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:21,331 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:21,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:21,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12435780] [2021-06-11 06:16:21,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:21,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:21,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133319505] [2021-06-11 06:16:21,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:21,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:21,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:21,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:21,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 226 [2021-06-11 06:16:21,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 171.25) internal successors, (685), 4 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:21,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 226 [2021-06-11 06:16:21,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:21,580 INFO L129 PetriNetUnfolder]: 1050/2101 cut-off events. [2021-06-11 06:16:21,580 INFO L130 PetriNetUnfolder]: For 2554/3980 co-relation queries the response was YES. [2021-06-11 06:16:21,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6255 conditions, 2101 events. 1050/2101 cut-off events. For 2554/3980 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 16991 event pairs, 465 based on Foata normal form. 83/1929 useless extension candidates. Maximal degree in co-relation 6235. Up to 1428 conditions per place. [2021-06-11 06:16:21,603 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 12 selfloop transitions, 19 changer transitions 0/59 dead transitions. [2021-06-11 06:16:21,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 59 transitions, 388 flow [2021-06-11 06:16:21,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 873 transitions. [2021-06-11 06:16:21,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.772566371681416 [2021-06-11 06:16:21,607 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 873 transitions. [2021-06-11 06:16:21,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 873 transitions. [2021-06-11 06:16:21,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:21,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 873 transitions. [2021-06-11 06:16:21,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 226.0) internal successors, (1356), 6 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,611 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 226.0) internal successors, (1356), 6 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,611 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 249 flow. Second operand 5 states and 873 transitions. [2021-06-11 06:16:21,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 59 transitions, 388 flow [2021-06-11 06:16:21,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 59 transitions, 384 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:21,622 INFO L241 Difference]: Finished difference. Result has 60 places, 56 transitions, 381 flow [2021-06-11 06:16:21,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=381, PETRI_PLACES=60, PETRI_TRANSITIONS=56} [2021-06-11 06:16:21,623 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 12 predicate places. [2021-06-11 06:16:21,623 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:21,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 381 flow [2021-06-11 06:16:21,623 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 381 flow [2021-06-11 06:16:21,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 381 flow [2021-06-11 06:16:21,845 INFO L129 PetriNetUnfolder]: 1075/2126 cut-off events. [2021-06-11 06:16:21,845 INFO L130 PetriNetUnfolder]: For 2308/2871 co-relation queries the response was YES. [2021-06-11 06:16:21,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6413 conditions, 2126 events. 1075/2126 cut-off events. For 2308/2871 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 17074 event pairs, 478 based on Foata normal form. 9/1924 useless extension candidates. Maximal degree in co-relation 6390. Up to 1489 conditions per place. [2021-06-11 06:16:21,876 INFO L151 LiptonReduction]: Number of co-enabled transitions 1010 [2021-06-11 06:16:21,895 INFO L163 LiptonReduction]: Checked pairs total: 824 [2021-06-11 06:16:21,895 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:21,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 273 [2021-06-11 06:16:21,897 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 381 flow [2021-06-11 06:16:21,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.25) internal successors, (685), 4 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:21,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:21,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:16:21,898 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:21,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:21,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1263881352, now seen corresponding path program 2 times [2021-06-11 06:16:21,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:21,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901320645] [2021-06-11 06:16:21,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:21,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:21,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:21,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:21,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:21,985 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:16:21,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:21,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:21,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:21,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901320645] [2021-06-11 06:16:21,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:21,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:16:21,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948235965] [2021-06-11 06:16:21,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:16:21,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:21,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:16:21,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:16:21,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:16:21,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 381 flow. Second operand has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:21,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:21,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:16:21,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:22,230 INFO L129 PetriNetUnfolder]: 808/1764 cut-off events. [2021-06-11 06:16:22,231 INFO L130 PetriNetUnfolder]: For 2820/5657 co-relation queries the response was YES. [2021-06-11 06:16:22,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6740 conditions, 1764 events. 808/1764 cut-off events. For 2820/5657 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 14505 event pairs, 120 based on Foata normal form. 567/2179 useless extension candidates. Maximal degree in co-relation 6715. Up to 1300 conditions per place. [2021-06-11 06:16:22,250 INFO L132 encePairwiseOnDemand]: 219/226 looper letters, 10 selfloop transitions, 19 changer transitions 0/69 dead transitions. [2021-06-11 06:16:22,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 69 transitions, 515 flow [2021-06-11 06:16:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:16:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:16:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1312 transitions. [2021-06-11 06:16:22,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8293299620733249 [2021-06-11 06:16:22,254 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1312 transitions. [2021-06-11 06:16:22,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1312 transitions. [2021-06-11 06:16:22,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:22,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1312 transitions. [2021-06-11 06:16:22,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 187.42857142857142) internal successors, (1312), 7 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 226.0) internal successors, (1808), 8 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,260 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 226.0) internal successors, (1808), 8 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,260 INFO L185 Difference]: Start difference. First operand has 60 places, 56 transitions, 381 flow. Second operand 7 states and 1312 transitions. [2021-06-11 06:16:22,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 69 transitions, 515 flow [2021-06-11 06:16:22,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 69 transitions, 513 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:22,270 INFO L241 Difference]: Finished difference. Result has 69 places, 65 transitions, 513 flow [2021-06-11 06:16:22,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=513, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2021-06-11 06:16:22,270 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 21 predicate places. [2021-06-11 06:16:22,270 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:22,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 513 flow [2021-06-11 06:16:22,271 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 513 flow [2021-06-11 06:16:22,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 513 flow [2021-06-11 06:16:22,430 INFO L129 PetriNetUnfolder]: 814/1789 cut-off events. [2021-06-11 06:16:22,431 INFO L130 PetriNetUnfolder]: For 5075/6320 co-relation queries the response was YES. [2021-06-11 06:16:22,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8094 conditions, 1789 events. 814/1789 cut-off events. For 5075/6320 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 14943 event pairs, 119 based on Foata normal form. 53/1728 useless extension candidates. Maximal degree in co-relation 8066. Up to 1315 conditions per place. [2021-06-11 06:16:22,464 INFO L151 LiptonReduction]: Number of co-enabled transitions 1342 [2021-06-11 06:16:22,495 INFO L163 LiptonReduction]: Checked pairs total: 1319 [2021-06-11 06:16:22,496 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:22,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 226 [2021-06-11 06:16:22,496 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 513 flow [2021-06-11 06:16:22,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:22,497 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] [2021-06-11 06:16:22,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:16:22,497 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:22,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:22,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1173824927, now seen corresponding path program 1 times [2021-06-11 06:16:22,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:22,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99905165] [2021-06-11 06:16:22,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:22,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:22,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:22,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:22,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:22,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:22,580 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:16:22,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:22,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:22,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:22,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99905165] [2021-06-11 06:16:22,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:22,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:16:22,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777123751] [2021-06-11 06:16:22,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:16:22,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:22,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:16:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:16:22,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:16:22,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 513 flow. Second operand has 6 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:22,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:16:22,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:22,865 INFO L129 PetriNetUnfolder]: 658/1504 cut-off events. [2021-06-11 06:16:22,865 INFO L130 PetriNetUnfolder]: For 5966/11639 co-relation queries the response was YES. [2021-06-11 06:16:22,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8042 conditions, 1504 events. 658/1504 cut-off events. For 5966/11639 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 12415 event pairs, 13 based on Foata normal form. 857/2230 useless extension candidates. Maximal degree in co-relation 8012. Up to 1187 conditions per place. [2021-06-11 06:16:22,884 INFO L132 encePairwiseOnDemand]: 219/226 looper letters, 6 selfloop transitions, 28 changer transitions 4/78 dead transitions. [2021-06-11 06:16:22,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 78 transitions, 715 flow [2021-06-11 06:16:22,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:16:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:16:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1687 transitions. [2021-06-11 06:16:22,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8294001966568338 [2021-06-11 06:16:22,889 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1687 transitions. [2021-06-11 06:16:22,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1687 transitions. [2021-06-11 06:16:22,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:22,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1687 transitions. [2021-06-11 06:16:22,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 187.44444444444446) internal successors, (1687), 9 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,896 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:22,896 INFO L185 Difference]: Start difference. First operand has 69 places, 65 transitions, 513 flow. Second operand 9 states and 1687 transitions. [2021-06-11 06:16:22,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 78 transitions, 715 flow [2021-06-11 06:16:22,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 78 transitions, 657 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:22,927 INFO L241 Difference]: Finished difference. Result has 76 places, 74 transitions, 633 flow [2021-06-11 06:16:22,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=633, PETRI_PLACES=76, PETRI_TRANSITIONS=74} [2021-06-11 06:16:22,928 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 28 predicate places. [2021-06-11 06:16:22,928 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:22,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 74 transitions, 633 flow [2021-06-11 06:16:22,928 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 74 transitions, 633 flow [2021-06-11 06:16:22,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 74 transitions, 633 flow [2021-06-11 06:16:23,059 INFO L129 PetriNetUnfolder]: 631/1507 cut-off events. [2021-06-11 06:16:23,059 INFO L130 PetriNetUnfolder]: For 6831/7143 co-relation queries the response was YES. [2021-06-11 06:16:23,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7354 conditions, 1507 events. 631/1507 cut-off events. For 6831/7143 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 12864 event pairs, 19 based on Foata normal form. 1/1419 useless extension candidates. Maximal degree in co-relation 7324. Up to 822 conditions per place. [2021-06-11 06:16:23,086 INFO L151 LiptonReduction]: Number of co-enabled transitions 1488 [2021-06-11 06:16:23,123 INFO L163 LiptonReduction]: Checked pairs total: 1809 [2021-06-11 06:16:23,123 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:23,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-06-11 06:16:23,124 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 633 flow [2021-06-11 06:16:23,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:23,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:23,124 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] [2021-06-11 06:16:23,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:16:23,125 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:23,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:23,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1333389467, now seen corresponding path program 1 times [2021-06-11 06:16:23,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:23,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417202317] [2021-06-11 06:16:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:16:23,264 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-06-11 06:16:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 06:16:23,295 INFO L142 QuantifierPusher]: treesize reduction 33, result has 52.2 percent of original size [2021-06-11 06:16:23,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 06:16:23,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:23,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:16:23,358 INFO L142 QuantifierPusher]: treesize reduction 41, result has 57.7 percent of original size [2021-06-11 06:16:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 06:16:23,413 INFO L142 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-06-11 06:16:23,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:16:23,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:16:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:16:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:23,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417202317] [2021-06-11 06:16:23,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:23,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:16:23,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18342784] [2021-06-11 06:16:23,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:16:23,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:23,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:16:23,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:16:23,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 226 [2021-06-11 06:16:23,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 633 flow. Second operand has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:23,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:23,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 226 [2021-06-11 06:16:23,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:24,636 INFO L129 PetriNetUnfolder]: 3532/8148 cut-off events. [2021-06-11 06:16:24,636 INFO L130 PetriNetUnfolder]: For 40209/45478 co-relation queries the response was YES. [2021-06-11 06:16:24,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37775 conditions, 8148 events. 3532/8148 cut-off events. For 40209/45478 co-relation queries the response was YES. Maximal size of possible extension queue 1401. Compared 91381 event pairs, 89 based on Foata normal form. 528/7987 useless extension candidates. Maximal degree in co-relation 37743. Up to 4005 conditions per place. [2021-06-11 06:16:24,746 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 32 selfloop transitions, 19 changer transitions 2/116 dead transitions. [2021-06-11 06:16:24,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 116 transitions, 995 flow [2021-06-11 06:16:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:16:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:16:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1356 transitions. [2021-06-11 06:16:24,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-06-11 06:16:24,750 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1356 transitions. [2021-06-11 06:16:24,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1356 transitions. [2021-06-11 06:16:24,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:24,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1356 transitions. [2021-06-11 06:16:24,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 169.5) internal successors, (1356), 8 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:24,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 226.0) internal successors, (2034), 9 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:24,758 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 226.0) internal successors, (2034), 9 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:24,758 INFO L185 Difference]: Start difference. First operand has 76 places, 74 transitions, 633 flow. Second operand 8 states and 1356 transitions. [2021-06-11 06:16:24,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 116 transitions, 995 flow [2021-06-11 06:16:26,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 116 transitions, 898 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:26,573 INFO L241 Difference]: Finished difference. Result has 81 places, 95 transitions, 740 flow [2021-06-11 06:16:26,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=740, PETRI_PLACES=81, PETRI_TRANSITIONS=95} [2021-06-11 06:16:26,573 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 33 predicate places. [2021-06-11 06:16:26,573 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:26,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 95 transitions, 740 flow [2021-06-11 06:16:26,573 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 95 transitions, 740 flow [2021-06-11 06:16:26,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 95 transitions, 740 flow [2021-06-11 06:16:27,109 INFO L129 PetriNetUnfolder]: 2637/6057 cut-off events. [2021-06-11 06:16:27,110 INFO L130 PetriNetUnfolder]: For 16702/17748 co-relation queries the response was YES. [2021-06-11 06:16:27,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21568 conditions, 6057 events. 2637/6057 cut-off events. For 16702/17748 co-relation queries the response was YES. Maximal size of possible extension queue 1140. Compared 65430 event pairs, 60 based on Foata normal form. 271/5833 useless extension candidates. Maximal degree in co-relation 21535. Up to 1708 conditions per place. [2021-06-11 06:16:27,199 INFO L151 LiptonReduction]: Number of co-enabled transitions 2316 [2021-06-11 06:16:28,927 INFO L163 LiptonReduction]: Checked pairs total: 748 [2021-06-11 06:16:28,928 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:28,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2355 [2021-06-11 06:16:28,928 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 95 transitions, 740 flow [2021-06-11 06:16:28,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:28,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:28,929 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] [2021-06-11 06:16:28,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 06:16:28,929 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:28,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:28,930 INFO L82 PathProgramCache]: Analyzing trace with hash -810066905, now seen corresponding path program 2 times [2021-06-11 06:16:28,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:28,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800854304] [2021-06-11 06:16:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:29,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:29,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:29,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:29,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:29,026 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:16:29,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:29,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:29,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:29,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800854304] [2021-06-11 06:16:29,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:29,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:16:29,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4466567] [2021-06-11 06:16:29,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:16:29,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:29,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:16:29,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:16:29,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:16:29,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 95 transitions, 740 flow. Second operand has 7 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:29,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:29,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:16:29,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:29,698 INFO L129 PetriNetUnfolder]: 2528/5838 cut-off events. [2021-06-11 06:16:29,699 INFO L130 PetriNetUnfolder]: For 20930/32084 co-relation queries the response was YES. [2021-06-11 06:16:29,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25099 conditions, 5838 events. 2528/5838 cut-off events. For 20930/32084 co-relation queries the response was YES. Maximal size of possible extension queue 1123. Compared 62255 event pairs, 26 based on Foata normal form. 3620/8847 useless extension candidates. Maximal degree in co-relation 25064. Up to 1715 conditions per place. [2021-06-11 06:16:29,733 INFO L132 encePairwiseOnDemand]: 219/226 looper letters, 3 selfloop transitions, 33 changer transitions 13/97 dead transitions. [2021-06-11 06:16:29,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 97 transitions, 832 flow [2021-06-11 06:16:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 06:16:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 06:16:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2054 transitions. [2021-06-11 06:16:29,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.826226870474658 [2021-06-11 06:16:29,737 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2054 transitions. [2021-06-11 06:16:29,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2054 transitions. [2021-06-11 06:16:29,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:29,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2054 transitions. [2021-06-11 06:16:29,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 186.72727272727272) internal successors, (2054), 11 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:29,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 226.0) internal successors, (2712), 12 states have internal predecessors, (2712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:29,746 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 226.0) internal successors, (2712), 12 states have internal predecessors, (2712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:29,746 INFO L185 Difference]: Start difference. First operand has 81 places, 95 transitions, 740 flow. Second operand 11 states and 2054 transitions. [2021-06-11 06:16:29,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 97 transitions, 832 flow [2021-06-11 06:16:30,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 97 transitions, 826 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 06:16:30,307 INFO L241 Difference]: Finished difference. Result has 93 places, 84 transitions, 687 flow [2021-06-11 06:16:30,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=687, PETRI_PLACES=93, PETRI_TRANSITIONS=84} [2021-06-11 06:16:30,308 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 45 predicate places. [2021-06-11 06:16:30,308 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:30,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 84 transitions, 687 flow [2021-06-11 06:16:30,308 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 84 transitions, 687 flow [2021-06-11 06:16:30,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 84 transitions, 687 flow [2021-06-11 06:16:30,443 INFO L129 PetriNetUnfolder]: 965/2266 cut-off events. [2021-06-11 06:16:30,443 INFO L130 PetriNetUnfolder]: For 7682/8472 co-relation queries the response was YES. [2021-06-11 06:16:30,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9732 conditions, 2266 events. 965/2266 cut-off events. For 7682/8472 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 21269 event pairs, 12 based on Foata normal form. 50/2099 useless extension candidates. Maximal degree in co-relation 9695. Up to 665 conditions per place. [2021-06-11 06:16:30,475 INFO L151 LiptonReduction]: Number of co-enabled transitions 1712 [2021-06-11 06:16:30,489 INFO L163 LiptonReduction]: Checked pairs total: 437 [2021-06-11 06:16:30,489 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:30,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-06-11 06:16:30,490 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 687 flow [2021-06-11 06:16:30,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:30,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:30,490 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, 1] [2021-06-11 06:16:30,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:16:30,491 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:30,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:30,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1005304574, now seen corresponding path program 1 times [2021-06-11 06:16:30,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:30,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337297639] [2021-06-11 06:16:30,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:16:30,538 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:16:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:16:30,580 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:16:30,628 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:16:30,628 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:16:30,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:16:30,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:16:30 BasicIcfg [2021-06-11 06:16:30,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:16:30,732 INFO L168 Benchmark]: Toolchain (without parser) took 21312.87 ms. Allocated memory was 392.2 MB in the beginning and 1.2 GB in the end (delta: 834.7 MB). Free memory was 354.5 MB in the beginning and 597.7 MB in the end (delta: -243.3 MB). Peak memory consumption was 591.6 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:30,732 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 392.2 MB. Free memory was 372.8 MB in the beginning and 372.8 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:16:30,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.74 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 352.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:30,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.42 ms. Allocated memory is still 392.2 MB. Free memory was 352.0 MB in the beginning and 348.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:30,733 INFO L168 Benchmark]: Boogie Preprocessor took 53.43 ms. Allocated memory is still 392.2 MB. Free memory was 348.8 MB in the beginning and 346.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:30,733 INFO L168 Benchmark]: RCFGBuilder took 2098.21 ms. Allocated memory is still 392.2 MB. Free memory was 346.7 MB in the beginning and 267.0 MB in the end (delta: 79.7 MB). Peak memory consumption was 150.0 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:30,733 INFO L168 Benchmark]: TraceAbstraction took 18492.55 ms. Allocated memory was 392.2 MB in the beginning and 1.2 GB in the end (delta: 834.7 MB). Free memory was 265.9 MB in the beginning and 597.7 MB in the end (delta: -331.8 MB). Peak memory consumption was 502.9 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:30,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 392.2 MB. Free memory was 372.8 MB in the beginning and 372.8 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 591.74 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 352.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.42 ms. Allocated memory is still 392.2 MB. Free memory was 352.0 MB in the beginning and 348.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 53.43 ms. Allocated memory is still 392.2 MB. Free memory was 348.8 MB in the beginning and 346.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2098.21 ms. Allocated memory is still 392.2 MB. Free memory was 346.7 MB in the beginning and 267.0 MB in the end (delta: 79.7 MB). Peak memory consumption was 150.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 18492.55 ms. Allocated memory was 392.2 MB in the beginning and 1.2 GB in the end (delta: 834.7 MB). Free memory was 265.9 MB in the beginning and 597.7 MB in the end (delta: -331.8 MB). Peak memory consumption was 502.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6914.9ms, 127 PlacesBefore, 48 PlacesAfterwards, 116 TransitionsBefore, 36 TransitionsAfterwards, 2876 CoEnabledTransitionPairs, 8 FixpointIterations, 42 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 105 TotalNumberOfCompositions, 9088 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3894, positive: 3664, positive conditional: 0, positive unconditional: 3664, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2050, positive: 1985, positive conditional: 0, positive unconditional: 1985, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2050, positive: 1985, positive conditional: 0, positive unconditional: 1985, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2050, positive: 1951, positive conditional: 0, positive unconditional: 1951, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 868, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 786, negative conditional: 0, negative unconditional: 786, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3894, positive: 1679, positive conditional: 0, positive unconditional: 1679, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 2050, unknown conditional: 0, unknown unconditional: 2050] , Statistics on independence cache: Total cache size (in pairs): 3588, Positive cache size: 3524, Positive conditional cache size: 0, Positive unconditional cache size: 3524, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.4ms, 44 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 171, positive: 141, positive conditional: 0, positive unconditional: 141, 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: 22, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 171, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 3610, Positive cache size: 3544, Positive conditional cache size: 0, Positive unconditional cache size: 3544, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.0ms, 44 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 949 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 346, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 346, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 37, unknown conditional: 0, unknown unconditional: 37] , Statistics on independence cache: Total cache size (in pairs): 3732, Positive cache size: 3664, Positive conditional cache size: 0, Positive unconditional cache size: 3664, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.2ms, 42 PlacesBefore, 42 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 367 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 101, positive conditional: 0, positive unconditional: 101, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 3745, Positive cache size: 3677, Positive conditional cache size: 0, Positive unconditional cache size: 3677, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.8ms, 49 PlacesBefore, 49 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 508 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 3755, Positive cache size: 3687, Positive conditional cache size: 0, Positive unconditional cache size: 3687, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.1ms, 53 PlacesBefore, 53 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 586 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 111, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 111, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3755, Positive cache size: 3687, Positive conditional cache size: 0, Positive unconditional cache size: 3687, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 272.0ms, 60 PlacesBefore, 60 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 824 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 148, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3755, Positive cache size: 3687, Positive conditional cache size: 0, Positive unconditional cache size: 3687, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 225.0ms, 69 PlacesBefore, 69 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1319 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 204, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 31, negative conditional: 0, negative unconditional: 31, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 204, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3758, Positive cache size: 3689, Positive conditional cache size: 0, Positive unconditional cache size: 3689, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.0ms, 76 PlacesBefore, 76 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 1488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 241, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3762, Positive cache size: 3693, Positive conditional cache size: 0, Positive unconditional cache size: 3693, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2354.3ms, 81 PlacesBefore, 81 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 2316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 748 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 70, positive conditional: 0, positive unconditional: 70, 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 68, positive conditional: 0, positive unconditional: 68, 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): 3766, Positive cache size: 3695, Positive conditional cache size: 0, Positive unconditional cache size: 3695, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.1ms, 93 PlacesBefore, 92 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 1712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 437 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3766, Positive cache size: 3695, Positive conditional cache size: 0, Positive unconditional cache size: 3695, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71 - 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; [L722] 0 int b = 0; [L723] 0 _Bool b$flush_delayed; [L724] 0 int b$mem_tmp; [L725] 0 _Bool b$r_buff0_thd0; [L726] 0 _Bool b$r_buff0_thd1; [L727] 0 _Bool b$r_buff0_thd2; [L728] 0 _Bool b$r_buff0_thd3; [L729] 0 _Bool b$r_buff0_thd4; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; [L734] 0 _Bool b$r_buff1_thd4; [L735] 0 _Bool b$read_delayed; [L736] 0 int *b$read_delayed_var; [L737] 0 int b$w_buff0; [L738] 0 _Bool b$w_buff0_used; [L739] 0 int b$w_buff1; [L740] 0 _Bool b$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t1025; [L872] FCALL, FORK 0 pthread_create(&t1025, ((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, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t1026; [L874] FCALL, FORK 0 pthread_create(&t1026, ((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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t1027; [L876] FCALL, FORK 0 pthread_create(&t1027, ((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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 b$w_buff1 = b$w_buff0 [L755] 1 b$w_buff0 = 1 [L756] 1 b$w_buff1_used = b$w_buff0_used [L757] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L760] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L761] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L762] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L763] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L764] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 __unbuffered_p0_EAX = x 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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L787] 2 y = 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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L804] 3 y = 2 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}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L807] 3 __unbuffered_p2_EAX = z 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}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L877] 0 pthread_t t1028; [L878] FCALL, FORK 0 pthread_create(&t1028, ((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}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L824] 4 z = 1 [L827] 4 a = 1 [L830] 4 __unbuffered_p3_EAX = a 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}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 b$flush_delayed = weak$$choice2 [L836] 4 b$mem_tmp = b [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L837] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L838] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L838] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L839] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L839] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L840] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L840] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L841] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L842] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L843] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = b [L845] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L845] 4 b = b$flush_delayed ? b$mem_tmp : b [L846] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L770] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L771] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L772] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L773] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L773] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L774] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L774] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L790] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L790] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L791] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L791] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L792] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L793] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L793] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L794] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L810] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L810] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L811] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L811] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L812] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L813] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L813] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L814] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L814] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L849] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L849] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L850] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L850] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L851] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L852] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L852] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L853] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L853] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L884] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L884] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L885] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L885] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L886] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L887] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L887] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L888] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L888] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L891] 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}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 18262.6ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6094.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6992.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 68 SDtfs, 45 SDslu, 43 SDs, 0 SdLazy, 343 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 404.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 387.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=740occurred in iteration=9, InterpolantAutomatonStates: 59, 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: 36.7ms SsaConstructionTime, 334.1ms SatisfiabilityAnalysisTime, 777.4ms InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...