/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi010_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:56:51,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:56:51,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:56:52,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:56:52,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:56:52,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:56:52,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:56:52,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:56:52,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:56:52,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:56:52,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:56:52,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:56:52,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:56:52,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:56:52,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:56:52,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:56:52,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:56:52,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:56:52,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:56:52,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:56:52,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:56:52,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:56:52,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:56:52,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:56:52,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:56:52,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:56:52,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:56:52,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:56:52,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:56:52,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:56:52,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:56:52,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:56:52,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:56:52,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:56:52,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:56:52,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:56:52,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:56:52,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:56:52,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:56:52,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:56:52,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:56:52,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf [2021-03-25 04:56:52,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:56:52,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:56:52,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:56:52,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:56:52,083 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:56:52,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:56:52,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:56:52,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:56:52,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:56:52,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:56:52,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:56:52,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:56:52,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:56:52,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:56:52,086 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:56:52,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:56:52,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:56:52,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:56:52,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:56:52,368 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:56:52,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi010_tso.oepc.i [2021-03-25 04:56:52,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41950083b/a39ad3d2af274b48b22a1680058fc373/FLAGf28a5549f [2021-03-25 04:56:52,810 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:56:52,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi010_tso.oepc.i [2021-03-25 04:56:52,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41950083b/a39ad3d2af274b48b22a1680058fc373/FLAGf28a5549f [2021-03-25 04:56:52,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41950083b/a39ad3d2af274b48b22a1680058fc373 [2021-03-25 04:56:52,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:56:52,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:56:52,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:56:52,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:56:52,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:56:52,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:56:52" (1/1) ... [2021-03-25 04:56:52,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18907822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:52, skipping insertion in model container [2021-03-25 04:56:52,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:56:52" (1/1) ... [2021-03-25 04:56:52,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:56:52,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:56:53,006 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/rfi010_tso.oepc.i[992,1005] [2021-03-25 04:56:53,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:56:53,202 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:56:53,209 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/rfi010_tso.oepc.i[992,1005] [2021-03-25 04:56:53,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:56:53,310 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:56:53,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53 WrapperNode [2021-03-25 04:56:53,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:56:53,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:56:53,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:56:53,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:56:53,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:56:53,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:56:53,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:56:53,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:56:53,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... [2021-03-25 04:56:53,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:56:53,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:56:53,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:56:53,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:56:53,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:56:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:56:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:56:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:56:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:56:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:56:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:56:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:56:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:56:53,417 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:56:54,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:56:54,917 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:56:54,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:56:54 BoogieIcfgContainer [2021-03-25 04:56:54,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:56:54,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:56:54,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:56:54,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:56:54,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:56:52" (1/3) ... [2021-03-25 04:56:54,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1169333c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:56:54, skipping insertion in model container [2021-03-25 04:56:54,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:56:53" (2/3) ... [2021-03-25 04:56:54,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1169333c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:56:54, skipping insertion in model container [2021-03-25 04:56:54,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:56:54" (3/3) ... [2021-03-25 04:56:54,922 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi010_tso.oepc.i [2021-03-25 04:56:54,927 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:56:54,930 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:56:54,930 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:56:54,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,955 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,956 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:56:54,992 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:56:55,005 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 04:56:55,017 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:56:55,017 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:56:55,017 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:56:55,017 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:56:55,017 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:56:55,017 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:56:55,018 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:56:55,018 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:56:55,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-03-25 04:56:55,043 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-03-25 04:56:55,043 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:55,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-03-25 04:56:55,045 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-03-25 04:56:55,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-03-25 04:56:55,049 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:56:55,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-03-25 04:56:55,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-03-25 04:56:55,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-03-25 04:56:55,067 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-03-25 04:56:55,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:55,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-03-25 04:56:55,069 INFO L142 LiptonReduction]: Number of co-enabled transitions 906 [2021-03-25 04:56:55,619 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:56:55,984 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:56:56,086 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:56:56,921 INFO L154 LiptonReduction]: Checked pairs total: 1471 [2021-03-25 04:56:56,922 INFO L156 LiptonReduction]: Total number of compositions: 60 [2021-03-25 04:56:56,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1875 [2021-03-25 04:56:56,928 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-25 04:56:56,929 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:56,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:56:56,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:56:56,929 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:56:56,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:56:56,933 INFO L82 PathProgramCache]: Analyzing trace with hash 843327206, now seen corresponding path program 1 times [2021-03-25 04:56:56,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:56:56,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379017976] [2021-03-25 04:56:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:56:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:56:57,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:57,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:56:57,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:57,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:56:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:56:57,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379017976] [2021-03-25 04:56:57,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:56:57,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:56:57,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222397147] [2021-03-25 04:56:57,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:56:57,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:56:57,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:56:57,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:56:57,143 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 142 [2021-03-25 04:56:57,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:56:57,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 142 [2021-03-25 04:56:57,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:56:57,196 INFO L129 PetriNetUnfolder]: 13/66 cut-off events. [2021-03-25 04:56:57,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:57,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 66 events. 13/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 199 event pairs, 5 based on Foata normal form. 7/66 useless extension candidates. Maximal degree in co-relation 86. Up to 25 conditions per place. [2021-03-25 04:56:57,199 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 6 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-03-25 04:56:57,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 30 transitions, 82 flow [2021-03-25 04:56:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:56:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:56:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2021-03-25 04:56:57,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8779342723004695 [2021-03-25 04:56:57,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 374 transitions. [2021-03-25 04:56:57,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 374 transitions. [2021-03-25 04:56:57,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:56:57,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 374 transitions. [2021-03-25 04:56:57,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,228 INFO L185 Difference]: Start difference. First operand has 36 places, 30 transitions, 66 flow. Second operand 3 states and 374 transitions. [2021-03-25 04:56:57,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 30 transitions, 82 flow [2021-03-25 04:56:57,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:56:57,231 INFO L241 Difference]: Finished difference. Result has 35 places, 28 transitions, 64 flow [2021-03-25 04:56:57,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2021-03-25 04:56:57,232 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2021-03-25 04:56:57,232 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:56:57,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 64 flow [2021-03-25 04:56:57,233 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 28 transitions, 64 flow [2021-03-25 04:56:57,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 28 transitions, 64 flow [2021-03-25 04:56:57,243 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 04:56:57,244 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:57,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 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 22 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:56:57,244 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-25 04:56:57,881 INFO L154 LiptonReduction]: Checked pairs total: 496 [2021-03-25 04:56:57,881 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 04:56:57,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 649 [2021-03-25 04:56:57,881 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 46 flow [2021-03-25 04:56:57,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:56:57,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:56:57,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:56:57,882 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:56:57,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:56:57,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1753800938, now seen corresponding path program 1 times [2021-03-25 04:56:57,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:56:57,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504576882] [2021-03-25 04:56:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:56:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:56:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:56:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:56:57,950 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:56:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:56:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:56:57,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504576882] [2021-03-25 04:56:57,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:56:57,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:56:57,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127609196] [2021-03-25 04:56:57,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:56:57,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:56:57,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:56:57,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:56:57,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-03-25 04:56:57,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:56:57,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-03-25 04:56:57,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:56:57,989 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-25 04:56:57,989 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:57,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 21 events. 1/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 25. Up to 3 conditions per place. [2021-03-25 04:56:57,989 INFO L132 encePairwiseOnDemand]: 148/152 looper letters, 1 selfloop transitions, 2 changer transitions 4/21 dead transitions. [2021-03-25 04:56:57,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 21 transitions, 62 flow [2021-03-25 04:56:57,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:56:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:56:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 652 transitions. [2021-03-25 04:56:57,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8578947368421053 [2021-03-25 04:56:57,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 652 transitions. [2021-03-25 04:56:57,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 652 transitions. [2021-03-25 04:56:57,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:56:57,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 652 transitions. [2021-03-25 04:56:57,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,995 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:57,995 INFO L185 Difference]: Start difference. First operand has 26 places, 19 transitions, 46 flow. Second operand 5 states and 652 transitions. [2021-03-25 04:56:57,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 21 transitions, 62 flow [2021-03-25 04:56:57,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 21 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:56:57,995 INFO L241 Difference]: Finished difference. Result has 29 places, 17 transitions, 46 flow [2021-03-25 04:56:57,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=46, PETRI_PLACES=29, PETRI_TRANSITIONS=17} [2021-03-25 04:56:57,996 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -7 predicate places. [2021-03-25 04:56:57,996 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:56:57,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 17 transitions, 46 flow [2021-03-25 04:56:57,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 17 transitions, 46 flow [2021-03-25 04:56:57,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 17 transitions, 46 flow [2021-03-25 04:56:57,998 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 04:56:57,999 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:56:57,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 17 events. 0/17 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:56:57,999 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-25 04:56:58,492 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 04:56:58,603 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 04:56:58,847 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 04:56:58,977 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 04:56:58,979 INFO L154 LiptonReduction]: Checked pairs total: 312 [2021-03-25 04:56:58,979 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:56:58,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 983 [2021-03-25 04:56:58,979 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 15 transitions, 42 flow [2021-03-25 04:56:58,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:58,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:56:58,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:56:58,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:56:58,980 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:56:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:56:58,980 INFO L82 PathProgramCache]: Analyzing trace with hash 633464058, now seen corresponding path program 1 times [2021-03-25 04:56:58,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:56:58,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038788988] [2021-03-25 04:56:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:56:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:56:59,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:56:59,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:59,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:56:59,038 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:56:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:56:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:56:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:56:59,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038788988] [2021-03-25 04:56:59,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:56:59,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:56:59,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423143718] [2021-03-25 04:56:59,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:56:59,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:56:59,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:56:59,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:56:59,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 154 [2021-03-25 04:56:59,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 15 transitions, 42 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:56:59,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 154 [2021-03-25 04:56:59,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:56:59,066 INFO L129 PetriNetUnfolder]: 6/32 cut-off events. [2021-03-25 04:56:59,066 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:56:59,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 32 events. 6/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 67 event pairs, 2 based on Foata normal form. 4/35 useless extension candidates. Maximal degree in co-relation 56. Up to 15 conditions per place. [2021-03-25 04:56:59,066 INFO L132 encePairwiseOnDemand]: 149/154 looper letters, 4 selfloop transitions, 3 changer transitions 5/22 dead transitions. [2021-03-25 04:56:59,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 80 flow [2021-03-25 04:56:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:56:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:56:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 629 transitions. [2021-03-25 04:56:59,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8168831168831169 [2021-03-25 04:56:59,068 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 629 transitions. [2021-03-25 04:56:59,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 629 transitions. [2021-03-25 04:56:59,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:56:59,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 629 transitions. [2021-03-25 04:56:59,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,071 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,071 INFO L185 Difference]: Start difference. First operand has 23 places, 15 transitions, 42 flow. Second operand 5 states and 629 transitions. [2021-03-25 04:56:59,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 80 flow [2021-03-25 04:56:59,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 22 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:56:59,072 INFO L241 Difference]: Finished difference. Result has 28 places, 17 transitions, 65 flow [2021-03-25 04:56:59,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=65, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2021-03-25 04:56:59,072 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -8 predicate places. [2021-03-25 04:56:59,072 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:56:59,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 17 transitions, 65 flow [2021-03-25 04:56:59,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 17 transitions, 65 flow [2021-03-25 04:56:59,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 17 transitions, 65 flow [2021-03-25 04:56:59,075 INFO L129 PetriNetUnfolder]: 5/27 cut-off events. [2021-03-25 04:56:59,076 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-25 04:56:59,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 27 events. 5/27 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 2 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 56. Up to 12 conditions per place. [2021-03-25 04:56:59,076 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-25 04:56:59,077 INFO L154 LiptonReduction]: Checked pairs total: 74 [2021-03-25 04:56:59,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:56:59,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-25 04:56:59,077 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 65 flow [2021-03-25 04:56:59,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,078 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:56:59,078 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:56:59,078 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:56:59,078 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:56:59,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:56:59,078 INFO L82 PathProgramCache]: Analyzing trace with hash 121059579, now seen corresponding path program 1 times [2021-03-25 04:56:59,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:56:59,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263173553] [2021-03-25 04:56:59,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:56:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:56:59,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:59,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:56:59,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:59,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:56:59,205 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:56:59,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:56:59,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:56:59,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:56:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:56:59,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263173553] [2021-03-25 04:56:59,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:56:59,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:56:59,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250303393] [2021-03-25 04:56:59,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:56:59,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:56:59,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:56:59,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:56:59,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 154 [2021-03-25 04:56:59,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 65 flow. Second operand has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:56:59,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 154 [2021-03-25 04:56:59,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:56:59,250 INFO L129 PetriNetUnfolder]: 2/21 cut-off events. [2021-03-25 04:56:59,250 INFO L130 PetriNetUnfolder]: For 14/20 co-relation queries the response was YES. [2021-03-25 04:56:59,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 21 events. 2/21 cut-off events. For 14/20 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 6/27 useless extension candidates. Maximal degree in co-relation 50. Up to 10 conditions per place. [2021-03-25 04:56:59,251 INFO L132 encePairwiseOnDemand]: 149/154 looper letters, 2 selfloop transitions, 5 changer transitions 3/20 dead transitions. [2021-03-25 04:56:59,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 20 transitions, 101 flow [2021-03-25 04:56:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:56:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:56:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 750 transitions. [2021-03-25 04:56:59,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8116883116883117 [2021-03-25 04:56:59,254 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 750 transitions. [2021-03-25 04:56:59,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 750 transitions. [2021-03-25 04:56:59,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:56:59,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 750 transitions. [2021-03-25 04:56:59,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,257 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:56:59,257 INFO L185 Difference]: Start difference. First operand has 26 places, 17 transitions, 65 flow. Second operand 6 states and 750 transitions. [2021-03-25 04:56:59,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 20 transitions, 101 flow [2021-03-25 04:56:59,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 20 transitions, 84 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 04:56:59,258 INFO L241 Difference]: Finished difference. Result has 31 places, 17 transitions, 72 flow [2021-03-25 04:56:59,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=17} [2021-03-25 04:56:59,259 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places. [2021-03-25 04:56:59,259 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:56:59,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 17 transitions, 72 flow [2021-03-25 04:56:59,259 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 17 transitions, 72 flow [2021-03-25 04:56:59,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 17 transitions, 72 flow [2021-03-25 04:56:59,264 INFO L129 PetriNetUnfolder]: 1/17 cut-off events. [2021-03-25 04:56:59,264 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-25 04:56:59,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 17 events. 1/17 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 33. Up to 6 conditions per place. [2021-03-25 04:56:59,264 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 04:56:59,514 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-25 04:56:59,632 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-25 04:56:59,917 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-25 04:57:00,047 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-25 04:57:00,049 INFO L154 LiptonReduction]: Checked pairs total: 135 [2021-03-25 04:57:00,049 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:57:00,049 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 790 [2021-03-25 04:57:00,050 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 15 transitions, 68 flow [2021-03-25 04:57:00,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:00,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:57:00,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:57:00,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:57:00,050 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:57:00,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:57:00,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1742255938, now seen corresponding path program 1 times [2021-03-25 04:57:00,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:57:00,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738359555] [2021-03-25 04:57:00,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:57:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:57:00,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:57:00,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:57:00,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:57:00,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:57:00,149 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-25 04:57:00,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 04:57:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:57:00,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738359555] [2021-03-25 04:57:00,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:57:00,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:57:00,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696943707] [2021-03-25 04:57:00,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:57:00,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:57:00,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:57:00,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:57:00,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 156 [2021-03-25 04:57:00,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 15 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:00,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:57:00,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 156 [2021-03-25 04:57:00,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:57:00,226 INFO L129 PetriNetUnfolder]: 5/31 cut-off events. [2021-03-25 04:57:00,226 INFO L130 PetriNetUnfolder]: For 42/44 co-relation queries the response was YES. [2021-03-25 04:57:00,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 31 events. 5/31 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 3/34 useless extension candidates. Maximal degree in co-relation 72. Up to 11 conditions per place. [2021-03-25 04:57:00,226 INFO L132 encePairwiseOnDemand]: 150/156 looper letters, 3 selfloop transitions, 7 changer transitions 1/20 dead transitions. [2021-03-25 04:57:00,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 20 transitions, 100 flow [2021-03-25 04:57:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:57:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:57:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 627 transitions. [2021-03-25 04:57:00,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8038461538461539 [2021-03-25 04:57:00,229 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 627 transitions. [2021-03-25 04:57:00,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 627 transitions. [2021-03-25 04:57:00,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:57:00,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 627 transitions. [2021-03-25 04:57:00,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:00,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:00,232 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:00,232 INFO L185 Difference]: Start difference. First operand has 27 places, 15 transitions, 68 flow. Second operand 5 states and 627 transitions. [2021-03-25 04:57:00,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 20 transitions, 100 flow [2021-03-25 04:57:00,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 20 transitions, 84 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 04:57:00,233 INFO L241 Difference]: Finished difference. Result has 28 places, 19 transitions, 88 flow [2021-03-25 04:57:00,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2021-03-25 04:57:00,234 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -8 predicate places. [2021-03-25 04:57:00,234 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:57:00,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 19 transitions, 88 flow [2021-03-25 04:57:00,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 19 transitions, 88 flow [2021-03-25 04:57:00,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 19 transitions, 88 flow [2021-03-25 04:57:00,240 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-25 04:57:00,240 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 04:57:00,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 31 events. 4/31 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 51 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 67. Up to 8 conditions per place. [2021-03-25 04:57:00,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-25 04:57:00,799 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 172 [2021-03-25 04:57:01,064 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-03-25 04:57:02,239 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 296 DAG size of output: 252 [2021-03-25 04:57:02,747 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-03-25 04:57:03,324 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 172 [2021-03-25 04:57:03,576 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-03-25 04:57:04,793 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 296 DAG size of output: 252 [2021-03-25 04:57:05,319 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-03-25 04:57:05,322 INFO L154 LiptonReduction]: Checked pairs total: 46 [2021-03-25 04:57:05,322 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:57:05,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5088 [2021-03-25 04:57:05,322 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 90 flow [2021-03-25 04:57:05,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:05,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:57:05,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:57:05,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:57:05,323 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:57:05,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:57:05,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1335054396, now seen corresponding path program 1 times [2021-03-25 04:57:05,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:57:05,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690127415] [2021-03-25 04:57:05,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:57:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:57:05,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:57:05,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:57:05,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:57:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:57:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:57:05,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:57:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:57:05,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690127415] [2021-03-25 04:57:05,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:57:05,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:57:05,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010781848] [2021-03-25 04:57:05,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:57:05,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:57:05,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:57:05,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:57:05,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 158 [2021-03-25 04:57:05,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:05,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:57:05,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 158 [2021-03-25 04:57:05,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:57:05,442 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-03-25 04:57:05,442 INFO L130 PetriNetUnfolder]: For 36/38 co-relation queries the response was YES. [2021-03-25 04:57:05,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 34 events. 4/34 cut-off events. For 36/38 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 3/37 useless extension candidates. Maximal degree in co-relation 83. Up to 9 conditions per place. [2021-03-25 04:57:05,442 INFO L132 encePairwiseOnDemand]: 154/158 looper letters, 3 selfloop transitions, 1 changer transitions 5/19 dead transitions. [2021-03-25 04:57:05,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 19 transitions, 104 flow [2021-03-25 04:57:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:57:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:57:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 523 transitions. [2021-03-25 04:57:05,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8275316455696202 [2021-03-25 04:57:05,444 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 523 transitions. [2021-03-25 04:57:05,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 523 transitions. [2021-03-25 04:57:05,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:57:05,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 523 transitions. [2021-03-25 04:57:05,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:05,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:05,446 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:05,446 INFO L185 Difference]: Start difference. First operand has 28 places, 19 transitions, 90 flow. Second operand 4 states and 523 transitions. [2021-03-25 04:57:05,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 19 transitions, 104 flow [2021-03-25 04:57:05,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 19 transitions, 97 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 04:57:05,448 INFO L241 Difference]: Finished difference. Result has 31 places, 14 transitions, 64 flow [2021-03-25 04:57:05,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=64, PETRI_PLACES=31, PETRI_TRANSITIONS=14} [2021-03-25 04:57:05,448 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places. [2021-03-25 04:57:05,448 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:57:05,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 14 transitions, 64 flow [2021-03-25 04:57:05,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 14 transitions, 64 flow [2021-03-25 04:57:05,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 14 transitions, 64 flow [2021-03-25 04:57:05,452 INFO L129 PetriNetUnfolder]: 1/14 cut-off events. [2021-03-25 04:57:05,452 INFO L130 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES. [2021-03-25 04:57:05,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 14 events. 1/14 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 29. Up to 4 conditions per place. [2021-03-25 04:57:05,453 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-25 04:57:06,138 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 04:57:06,402 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 04:57:07,688 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 04:57:08,286 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 04:57:08,703 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-03-25 04:57:08,830 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-03-25 04:57:09,596 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 226 [2021-03-25 04:57:09,899 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-03-25 04:57:09,901 INFO L154 LiptonReduction]: Checked pairs total: 16 [2021-03-25 04:57:09,901 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:57:09,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4453 [2021-03-25 04:57:09,902 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 12 transitions, 60 flow [2021-03-25 04:57:09,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:57:09,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:57:09,902 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:57:09,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:57:09,902 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:57:09,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:57:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1750606933, now seen corresponding path program 1 times [2021-03-25 04:57:09,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:57:09,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323986038] [2021-03-25 04:57:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:57:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:57:09,933 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:57:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:57:10,017 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:57:10,049 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:57:10,049 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:57:10,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:57:10,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:57:10 BasicIcfg [2021-03-25 04:57:10,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:57:10,116 INFO L168 Benchmark]: Toolchain (without parser) took 17279.12 ms. Allocated memory was 327.2 MB in the beginning and 769.7 MB in the end (delta: 442.5 MB). Free memory was 290.4 MB in the beginning and 721.1 MB in the end (delta: -430.8 MB). Peak memory consumption was 441.5 MB. Max. memory is 16.0 GB. [2021-03-25 04:57:10,116 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 327.2 MB. Free memory was 308.3 MB in the beginning and 308.2 MB in the end (delta: 72.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:57:10,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.44 ms. Allocated memory is still 327.2 MB. Free memory was 290.1 MB in the beginning and 286.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-25 04:57:10,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.82 ms. Allocated memory is still 327.2 MB. Free memory was 286.7 MB in the beginning and 284.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:57:10,117 INFO L168 Benchmark]: Boogie Preprocessor took 21.48 ms. Allocated memory is still 327.2 MB. Free memory was 284.6 MB in the beginning and 281.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:57:10,117 INFO L168 Benchmark]: RCFGBuilder took 1549.26 ms. Allocated memory is still 327.2 MB. Free memory was 281.4 MB in the beginning and 179.5 MB in the end (delta: 102.0 MB). Peak memory consumption was 148.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:57:10,117 INFO L168 Benchmark]: TraceAbstraction took 15196.32 ms. Allocated memory was 327.2 MB in the beginning and 769.7 MB in the end (delta: 442.5 MB). Free memory was 179.5 MB in the beginning and 721.1 MB in the end (delta: -541.7 MB). Peak memory consumption was 327.6 MB. Max. memory is 16.0 GB. [2021-03-25 04:57:10,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 327.2 MB. Free memory was 308.3 MB in the beginning and 308.2 MB in the end (delta: 72.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 473.44 ms. Allocated memory is still 327.2 MB. Free memory was 290.1 MB in the beginning and 286.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.82 ms. Allocated memory is still 327.2 MB. Free memory was 286.7 MB in the beginning and 284.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.48 ms. Allocated memory is still 327.2 MB. Free memory was 284.6 MB in the beginning and 281.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1549.26 ms. Allocated memory is still 327.2 MB. Free memory was 281.4 MB in the beginning and 179.5 MB in the end (delta: 102.0 MB). Peak memory consumption was 148.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 15196.32 ms. Allocated memory was 327.2 MB in the beginning and 769.7 MB in the end (delta: 442.5 MB). Free memory was 179.5 MB in the beginning and 721.1 MB in the end (delta: -541.7 MB). Peak memory consumption was 327.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1865.3ms, 85 PlacesBefore, 36 PlacesAfterwards, 80 TransitionsBefore, 30 TransitionsAfterwards, 906 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 60 TotalNumberOfCompositions, 1471 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 782, positive: 726, positive conditional: 0, positive unconditional: 726, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 471, positive: 455, positive conditional: 0, positive unconditional: 455, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 471, positive: 455, positive conditional: 0, positive unconditional: 455, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 782, positive: 271, positive conditional: 0, positive unconditional: 271, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 471, unknown conditional: 0, unknown unconditional: 471] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 647.3ms, 35 PlacesBefore, 26 PlacesAfterwards, 28 TransitionsBefore, 19 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 496 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 183, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 982.5ms, 29 PlacesBefore, 23 PlacesAfterwards, 17 TransitionsBefore, 15 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 312 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 91, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3ms, 28 PlacesBefore, 26 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 74 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 789.9ms, 31 PlacesBefore, 27 PlacesAfterwards, 17 TransitionsBefore, 15 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 135 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 45, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5087.5ms, 28 PlacesBefore, 28 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 46 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 22, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4453.1ms, 31 PlacesBefore, 26 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 16 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff1_thd0; [L728] 0 _Bool y$r_buff1_thd1; [L729] 0 _Bool y$r_buff1_thd2; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L823] 0 pthread_t t1773; [L824] FCALL, FORK 0 pthread_create(&t1773, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L825] 0 pthread_t t1774; [L826] FCALL, FORK 0 pthread_create(&t1774, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] 2 y$w_buff1 = y$w_buff0 [L772] 2 y$w_buff0 = 1 [L773] 2 y$w_buff1_used = y$w_buff0_used [L774] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L776] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L777] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L778] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L779] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 y$flush_delayed = weak$$choice2 [L785] 2 y$mem_tmp = y [L786] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L786] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L786] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L786] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L787] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L787] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L788] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L788] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L789] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L789] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L791] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = y [L794] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L794] 2 y = y$flush_delayed ? y$mem_tmp : y [L795] 2 y$flush_delayed = (_Bool)0 [L798] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L746] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L747] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L748] 1 y$flush_delayed = weak$$choice2 [L749] 1 y$mem_tmp = y [L750] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L750] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L751] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L751] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L752] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L752] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L753] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L753] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L754] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L755] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L756] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 __unbuffered_p0_EAX = y [L758] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L758] 1 y = y$flush_delayed ? y$mem_tmp : y [L759] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L801] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L802] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L803] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L804] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L805] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L808] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 2 return 0; [L828] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L832] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L832] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L832] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L832] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L833] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L833] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L834] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L835] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L836] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L839] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 15034.8ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 311.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1908.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 24 SDtfs, 12 SDslu, 11 SDs, 0 SdLazy, 63 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 63.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=5, InterpolantAutomatonStates: 28, 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: 19.4ms SsaConstructionTime, 271.5ms SatisfiabilityAnalysisTime, 331.2ms InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...