/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix022_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:50:03,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:50:03,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:50:03,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:50:03,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:50:03,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:50:03,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:50:03,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:50:03,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:50:03,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:50:03,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:50:03,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:50:03,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:50:03,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:50:03,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:50:03,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:50:03,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:50:03,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:50:03,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:50:03,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:50:03,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:50:03,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:50:03,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:50:03,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:50:03,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 18:50:03,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 18:50:03,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 18:50:03,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 18:50:03,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 18:50:03,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 18:50:03,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:50:03,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:50:03,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:50:03,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:50:03,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:50:03,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:50:03,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:50:03,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:50:03,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:50:03,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:50:03,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:50:03,324 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:50:03,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:50:03,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:50:03,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:50:03,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:50:03,357 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:50:03,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:50:03,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:50:03,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:50:03,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:50:03,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:50:03,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:50:03,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:50:03,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:50:03,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:50:03,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:50:03,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:50:03,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:50:03,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:50:03,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:50:03,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:50:03,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:50:03,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:50:03,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:50:03,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:50:03,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:50:03,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:50:03,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:50:03,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:50:03,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:50:03,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:50:03,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:50:03,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:50:03,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:50:03,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:50:03,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:50:03,780 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:50:03,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_power.opt.i [2021-04-28 18:50:03,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405c4f4dd/7a89ba048f5d4d8f8f61aca2a1272a0e/FLAGd83136727 [2021-04-28 18:50:04,699 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:50:04,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_power.opt.i [2021-04-28 18:50:04,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405c4f4dd/7a89ba048f5d4d8f8f61aca2a1272a0e/FLAGd83136727 [2021-04-28 18:50:04,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405c4f4dd/7a89ba048f5d4d8f8f61aca2a1272a0e [2021-04-28 18:50:04,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:50:04,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:50:04,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:50:04,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:50:04,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:50:04,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:50:04" (1/1) ... [2021-04-28 18:50:04,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e3a2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:04, skipping insertion in model container [2021-04-28 18:50:04,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:50:04" (1/1) ... [2021-04-28 18:50:04,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:50:05,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:50:05,203 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/mix022_power.opt.i[950,963] [2021-04-28 18:50:05,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:50:05,485 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:50:05,502 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/mix022_power.opt.i[950,963] [2021-04-28 18:50:05,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:50:05,709 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:50:05,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05 WrapperNode [2021-04-28 18:50:05,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:50:05,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:50:05,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:50:05,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:50:05,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:50:05,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:50:05,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:50:05,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:50:05,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (1/1) ... [2021-04-28 18:50:05,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:50:05,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:50:05,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:50:05,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:50:05,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (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 [2021-04-28 18:50:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:50:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:50:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:50:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:50:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:50:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:50:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:50:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:50:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:50:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:50:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:50:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:50:05,959 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:50:08,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:50:08,132 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:50:08,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:50:08 BoogieIcfgContainer [2021-04-28 18:50:08,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:50:08,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:50:08,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:50:08,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:50:08,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:50:04" (1/3) ... [2021-04-28 18:50:08,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4629bd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:50:08, skipping insertion in model container [2021-04-28 18:50:08,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:50:05" (2/3) ... [2021-04-28 18:50:08,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4629bd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:50:08, skipping insertion in model container [2021-04-28 18:50:08,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:50:08" (3/3) ... [2021-04-28 18:50:08,143 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_power.opt.i [2021-04-28 18:50:08,151 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:50:08,157 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:50:08,158 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:50:08,196 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,196 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,197 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,197 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,197 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,197 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,197 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,198 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,198 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,198 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,199 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,199 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,199 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,199 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,205 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,205 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,205 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,205 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,206 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,206 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,206 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,206 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,235 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,235 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,235 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,235 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,235 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,240 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,243 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:50:08,245 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:50:08,271 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 18:50:08,297 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:50:08,297 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:50:08,297 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:50:08,297 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:50:08,298 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:50:08,298 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:50:08,298 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:50:08,298 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:50:08,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 18:50:08,354 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 18:50:08,354 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:08,358 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 3. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 18:50:08,359 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 18:50:08,364 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-04-28 18:50:08,366 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:08,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 18:50:08,386 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 18:50:08,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-04-28 18:50:08,409 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 18:50:08,409 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:08,410 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 3. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 18:50:08,413 INFO L146 LiptonReduction]: Number of co-enabled transitions 992 [2021-04-28 18:50:11,044 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:50:11,147 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:50:11,697 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:50:11,908 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:50:15,541 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 18:50:15,838 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 18:50:15,998 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 18:50:16,205 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 18:50:16,382 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 18:50:16,547 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 18:50:16,705 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 18:50:16,881 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:50:17,063 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:50:17,900 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:50:18,068 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:50:18,223 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 18:50:18,373 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 18:50:18,554 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 18:50:18,748 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 18:50:18,980 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 18:50:19,196 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 18:50:22,211 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 18:50:22,434 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 18:50:22,664 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 18:50:22,900 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 18:50:23,090 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:50:23,249 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:50:23,439 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 18:50:23,639 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 18:50:23,828 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 18:50:24,370 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:50:24,477 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:50:24,584 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:50:24,747 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:24,914 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:25,077 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:25,241 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:25,392 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:25,541 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:25,700 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:25,856 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:26,396 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:26,575 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:26,760 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:26,936 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:27,113 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:50:27,260 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:50:27,404 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:50:27,547 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:50:28,060 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:50:28,216 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:50:28,346 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:50:28,474 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:50:28,581 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:50:28,696 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:50:28,812 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:50:28,919 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:50:29,034 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:50:29,184 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:50:29,312 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:50:29,437 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:50:29,913 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:50:30,019 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:50:30,122 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:50:30,225 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:50:31,283 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 18:50:31,469 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 18:50:31,868 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 18:50:32,088 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 18:50:32,512 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 18:50:32,714 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:50:33,143 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 18:50:33,340 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:50:33,869 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:34,037 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:34,196 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:34,358 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:50:34,473 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:50:34,588 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:50:34,696 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:50:34,805 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:50:34,969 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:50:35,102 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:50:35,237 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:50:35,378 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:50:35,523 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:50:35,665 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:50:35,805 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:50:35,943 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:50:36,108 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:36,268 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:36,422 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:36,571 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:50:36,613 INFO L158 LiptonReduction]: Checked pairs total: 8910 [2021-04-28 18:50:36,614 INFO L160 LiptonReduction]: Total number of compositions: 191 [2021-04-28 18:50:36,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28254 [2021-04-28 18:50:36,645 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-28 18:50:36,646 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:36,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:36,647 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:50:36,647 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:36,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1028738, now seen corresponding path program 1 times [2021-04-28 18:50:36,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:36,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624650446] [2021-04-28 18:50:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:50:36,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:36,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:50:36,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624650446] [2021-04-28 18:50:36,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:50:36,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:50:36,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302177938] [2021-04-28 18:50:36,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:50:36,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:50:36,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:50:36,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:50:36,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 273 [2021-04-28 18:50:36,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 101 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:36,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:50:36,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 273 [2021-04-28 18:50:36,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:50:37,087 INFO L129 PetriNetUnfolder]: 16/230 cut-off events. [2021-04-28 18:50:37,087 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:37,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 230 events. 16/230 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1599 event pairs, 11 based on Foata normal form. 18/73 useless extension candidates. Maximal degree in co-relation 219. Up to 27 conditions per place. [2021-04-28 18:50:37,091 INFO L132 encePairwiseOnDemand]: 258/273 looper letters, 7 selfloop transitions, 2 changer transitions 46/100 dead transitions. [2021-04-28 18:50:37,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 242 flow [2021-04-28 18:50:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:50:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:50:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2021-04-28 18:50:37,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8290598290598291 [2021-04-28 18:50:37,113 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2021-04-28 18:50:37,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2021-04-28 18:50:37,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:50:37,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2021-04-28 18:50:37,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,143 INFO L185 Difference]: Start difference. First operand has 107 places, 101 transitions, 208 flow. Second operand 3 states and 679 transitions. [2021-04-28 18:50:37,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 242 flow [2021-04-28 18:50:37,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 100 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:50:37,150 INFO L241 Difference]: Finished difference. Result has 104 places, 51 transitions, 110 flow [2021-04-28 18:50:37,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=104, PETRI_TRANSITIONS=51} [2021-04-28 18:50:37,154 INFO L343 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2021-04-28 18:50:37,154 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:37,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 51 transitions, 110 flow [2021-04-28 18:50:37,155 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 51 transitions, 110 flow [2021-04-28 18:50:37,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 51 transitions, 110 flow [2021-04-28 18:50:37,164 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-28 18:50:37,164 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:37,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 51 events. 0/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 236 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:50:37,166 INFO L146 LiptonReduction]: Number of co-enabled transitions 1100 [2021-04-28 18:50:37,342 INFO L158 LiptonReduction]: Checked pairs total: 1464 [2021-04-28 18:50:37,342 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:50:37,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 189 [2021-04-28 18:50:37,344 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 110 flow [2021-04-28 18:50:37,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:37,346 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:50:37,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:50:37,346 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:37,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:37,347 INFO L82 PathProgramCache]: Analyzing trace with hash 925692534, now seen corresponding path program 1 times [2021-04-28 18:50:37,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:37,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505580470] [2021-04-28 18:50:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:50:37,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:37,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:50:37,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505580470] [2021-04-28 18:50:37,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:50:37,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:50:37,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542272632] [2021-04-28 18:50:37,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:50:37,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:50:37,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:50:37,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:50:37,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 273 [2021-04-28 18:50:37,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:50:37,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 273 [2021-04-28 18:50:37,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:50:37,618 INFO L129 PetriNetUnfolder]: 143/513 cut-off events. [2021-04-28 18:50:37,618 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:37,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 513 events. 143/513 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 4027 event pairs, 63 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 785. Up to 254 conditions per place. [2021-04-28 18:50:37,625 INFO L132 encePairwiseOnDemand]: 267/273 looper letters, 4 selfloop transitions, 3 changer transitions 38/71 dead transitions. [2021-04-28 18:50:37,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 71 transitions, 240 flow [2021-04-28 18:50:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:50:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:50:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2021-04-28 18:50:37,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7826617826617827 [2021-04-28 18:50:37,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 641 transitions. [2021-04-28 18:50:37,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 641 transitions. [2021-04-28 18:50:37,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:50:37,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 641 transitions. [2021-04-28 18:50:37,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,637 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 110 flow. Second operand 3 states and 641 transitions. [2021-04-28 18:50:37,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 71 transitions, 240 flow [2021-04-28 18:50:37,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 71 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:50:37,640 INFO L241 Difference]: Finished difference. Result has 59 places, 33 transitions, 85 flow [2021-04-28 18:50:37,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=59, PETRI_TRANSITIONS=33} [2021-04-28 18:50:37,641 INFO L343 CegarLoopForPetriNet]: 107 programPoint places, -48 predicate places. [2021-04-28 18:50:37,641 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:37,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 33 transitions, 85 flow [2021-04-28 18:50:37,642 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 33 transitions, 85 flow [2021-04-28 18:50:37,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 85 flow [2021-04-28 18:50:37,649 INFO L129 PetriNetUnfolder]: 3/45 cut-off events. [2021-04-28 18:50:37,650 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:50:37,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 45 events. 3/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 156 event pairs, 1 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 56. Up to 10 conditions per place. [2021-04-28 18:50:37,651 INFO L146 LiptonReduction]: Number of co-enabled transitions 538 [2021-04-28 18:50:37,672 INFO L158 LiptonReduction]: Checked pairs total: 417 [2021-04-28 18:50:37,673 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:50:37,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-04-28 18:50:37,674 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 85 flow [2021-04-28 18:50:37,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:37,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:50:37,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:50:37,676 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:37,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:37,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1369806793, now seen corresponding path program 1 times [2021-04-28 18:50:37,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:37,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293971206] [2021-04-28 18:50:37,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:50:37,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:37,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:37,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 18:50:37,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:50:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:50:37,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293971206] [2021-04-28 18:50:37,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:50:37,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:50:37,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162696221] [2021-04-28 18:50:37,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:50:37,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:50:37,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:50:37,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:50:37,773 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 273 [2021-04-28 18:50:37,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 85 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:50:37,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 273 [2021-04-28 18:50:37,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:50:37,812 INFO L129 PetriNetUnfolder]: 5/66 cut-off events. [2021-04-28 18:50:37,812 INFO L130 PetriNetUnfolder]: For 11/18 co-relation queries the response was YES. [2021-04-28 18:50:37,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 66 events. 5/66 cut-off events. For 11/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 259 event pairs, 2 based on Foata normal form. 4/46 useless extension candidates. Maximal degree in co-relation 100. Up to 13 conditions per place. [2021-04-28 18:50:37,813 INFO L132 encePairwiseOnDemand]: 268/273 looper letters, 6 selfloop transitions, 4 changer transitions 1/35 dead transitions. [2021-04-28 18:50:37,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 35 transitions, 111 flow [2021-04-28 18:50:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:50:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:50:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 710 transitions. [2021-04-28 18:50:37,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6501831501831502 [2021-04-28 18:50:37,817 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 710 transitions. [2021-04-28 18:50:37,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 710 transitions. [2021-04-28 18:50:37,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:50:37,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 710 transitions. [2021-04-28 18:50:37,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 273.0) internal successors, (1365), 5 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,825 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 273.0) internal successors, (1365), 5 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:37,825 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 85 flow. Second operand 4 states and 710 transitions. [2021-04-28 18:50:37,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 35 transitions, 111 flow [2021-04-28 18:50:37,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 35 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:50:37,827 INFO L241 Difference]: Finished difference. Result has 44 places, 34 transitions, 110 flow [2021-04-28 18:50:37,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2021-04-28 18:50:37,828 INFO L343 CegarLoopForPetriNet]: 107 programPoint places, -63 predicate places. [2021-04-28 18:50:37,828 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:37,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 34 transitions, 110 flow [2021-04-28 18:50:37,828 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 34 transitions, 110 flow [2021-04-28 18:50:37,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 110 flow [2021-04-28 18:50:37,840 INFO L129 PetriNetUnfolder]: 5/69 cut-off events. [2021-04-28 18:50:37,841 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-04-28 18:50:37,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 69 events. 5/69 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 288 event pairs, 2 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 110. Up to 13 conditions per place. [2021-04-28 18:50:37,842 INFO L146 LiptonReduction]: Number of co-enabled transitions 544 [2021-04-28 18:50:38,083 INFO L158 LiptonReduction]: Checked pairs total: 363 [2021-04-28 18:50:38,083 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:50:38,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-04-28 18:50:38,085 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 110 flow [2021-04-28 18:50:38,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:38,086 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:50:38,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:50:38,087 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:38,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:38,087 INFO L82 PathProgramCache]: Analyzing trace with hash 483055835, now seen corresponding path program 1 times [2021-04-28 18:50:38,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:38,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701739493] [2021-04-28 18:50:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:50:38,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:38,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:50:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:50:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:50:38,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701739493] [2021-04-28 18:50:38,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:50:38,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:50:38,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17268687] [2021-04-28 18:50:38,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:50:38,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:50:38,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:50:38,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:50:38,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 273 [2021-04-28 18:50:38,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:50:38,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 273 [2021-04-28 18:50:38,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:50:38,440 INFO L129 PetriNetUnfolder]: 476/1039 cut-off events. [2021-04-28 18:50:38,441 INFO L130 PetriNetUnfolder]: For 78/87 co-relation queries the response was YES. [2021-04-28 18:50:38,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2129 conditions, 1039 events. 476/1039 cut-off events. For 78/87 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 8357 event pairs, 138 based on Foata normal form. 34/310 useless extension candidates. Maximal degree in co-relation 2115. Up to 637 conditions per place. [2021-04-28 18:50:38,446 INFO L132 encePairwiseOnDemand]: 259/273 looper letters, 15 selfloop transitions, 17 changer transitions 9/59 dead transitions. [2021-04-28 18:50:38,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 59 transitions, 242 flow [2021-04-28 18:50:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:50:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:50:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 967 transitions. [2021-04-28 18:50:38,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7084249084249085 [2021-04-28 18:50:38,451 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 967 transitions. [2021-04-28 18:50:38,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 967 transitions. [2021-04-28 18:50:38,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:50:38,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 967 transitions. [2021-04-28 18:50:38,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 193.4) internal successors, (967), 5 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 273.0) internal successors, (1638), 6 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,462 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 273.0) internal successors, (1638), 6 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,462 INFO L185 Difference]: Start difference. First operand has 43 places, 34 transitions, 110 flow. Second operand 5 states and 967 transitions. [2021-04-28 18:50:38,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 59 transitions, 242 flow [2021-04-28 18:50:38,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 59 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:50:38,467 INFO L241 Difference]: Finished difference. Result has 49 places, 49 transitions, 232 flow [2021-04-28 18:50:38,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=232, PETRI_PLACES=49, PETRI_TRANSITIONS=49} [2021-04-28 18:50:38,468 INFO L343 CegarLoopForPetriNet]: 107 programPoint places, -58 predicate places. [2021-04-28 18:50:38,468 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:38,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 49 transitions, 232 flow [2021-04-28 18:50:38,468 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 49 transitions, 232 flow [2021-04-28 18:50:38,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 49 transitions, 232 flow [2021-04-28 18:50:38,556 INFO L129 PetriNetUnfolder]: 95/620 cut-off events. [2021-04-28 18:50:38,556 INFO L130 PetriNetUnfolder]: For 217/241 co-relation queries the response was YES. [2021-04-28 18:50:38,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1648 conditions, 620 events. 95/620 cut-off events. For 217/241 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 6548 event pairs, 54 based on Foata normal form. 1/233 useless extension candidates. Maximal degree in co-relation 1632. Up to 409 conditions per place. [2021-04-28 18:50:38,566 INFO L146 LiptonReduction]: Number of co-enabled transitions 640 [2021-04-28 18:50:38,616 INFO L158 LiptonReduction]: Checked pairs total: 501 [2021-04-28 18:50:38,617 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:50:38,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-04-28 18:50:38,618 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 49 transitions, 232 flow [2021-04-28 18:50:38,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:38,620 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:50:38,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:50:38,620 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:38,620 INFO L82 PathProgramCache]: Analyzing trace with hash 19727586, now seen corresponding path program 1 times [2021-04-28 18:50:38,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:38,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323330164] [2021-04-28 18:50:38,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:50:38,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:38,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:50:38,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:38,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:50:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:50:38,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323330164] [2021-04-28 18:50:38,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:50:38,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:50:38,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362371665] [2021-04-28 18:50:38,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:50:38,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:50:38,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:50:38,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:50:38,799 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 273 [2021-04-28 18:50:38,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 49 transitions, 232 flow. Second operand has 5 states, 5 states have (on average 185.8) internal successors, (929), 5 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:38,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:50:38,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 273 [2021-04-28 18:50:38,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:50:39,021 INFO L129 PetriNetUnfolder]: 188/751 cut-off events. [2021-04-28 18:50:39,021 INFO L130 PetriNetUnfolder]: For 409/2545 co-relation queries the response was YES. [2021-04-28 18:50:39,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 751 events. 188/751 cut-off events. For 409/2545 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 7538 event pairs, 0 based on Foata normal form. 49/294 useless extension candidates. Maximal degree in co-relation 2541. Up to 454 conditions per place. [2021-04-28 18:50:39,026 INFO L132 encePairwiseOnDemand]: 259/273 looper letters, 4 selfloop transitions, 28 changer transitions 14/63 dead transitions. [2021-04-28 18:50:39,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 63 transitions, 381 flow [2021-04-28 18:50:39,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:50:39,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:50:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1340 transitions. [2021-04-28 18:50:39,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7012035583464155 [2021-04-28 18:50:39,032 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1340 transitions. [2021-04-28 18:50:39,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1340 transitions. [2021-04-28 18:50:39,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:50:39,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1340 transitions. [2021-04-28 18:50:39,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 191.42857142857142) internal successors, (1340), 7 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:39,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 273.0) internal successors, (2184), 8 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:39,047 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 273.0) internal successors, (2184), 8 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:39,047 INFO L185 Difference]: Start difference. First operand has 49 places, 49 transitions, 232 flow. Second operand 7 states and 1340 transitions. [2021-04-28 18:50:39,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 63 transitions, 381 flow [2021-04-28 18:50:39,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 63 transitions, 375 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 18:50:39,054 INFO L241 Difference]: Finished difference. Result has 57 places, 48 transitions, 313 flow [2021-04-28 18:50:39,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=313, PETRI_PLACES=57, PETRI_TRANSITIONS=48} [2021-04-28 18:50:39,054 INFO L343 CegarLoopForPetriNet]: 107 programPoint places, -50 predicate places. [2021-04-28 18:50:39,054 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:39,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 48 transitions, 313 flow [2021-04-28 18:50:39,055 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 48 transitions, 313 flow [2021-04-28 18:50:39,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 48 transitions, 313 flow [2021-04-28 18:50:39,094 INFO L129 PetriNetUnfolder]: 32/310 cut-off events. [2021-04-28 18:50:39,094 INFO L130 PetriNetUnfolder]: For 593/737 co-relation queries the response was YES. [2021-04-28 18:50:39,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1202 conditions, 310 events. 32/310 cut-off events. For 593/737 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2696 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 1182. Up to 180 conditions per place. [2021-04-28 18:50:39,099 INFO L146 LiptonReduction]: Number of co-enabled transitions 488 [2021-04-28 18:50:39,131 INFO L158 LiptonReduction]: Checked pairs total: 441 [2021-04-28 18:50:39,131 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:50:39,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-04-28 18:50:39,133 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 48 transitions, 313 flow [2021-04-28 18:50:39,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 185.8) internal successors, (929), 5 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:39,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:39,134 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:50:39,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:50:39,134 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:39,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:39,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1472308143, now seen corresponding path program 1 times [2021-04-28 18:50:39,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:39,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380521032] [2021-04-28 18:50:39,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:50:39,217 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:50:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:50:39,341 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:50:39,381 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:50:39,381 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:50:39,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:50:39,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:50:39 BasicIcfg [2021-04-28 18:50:39,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:50:39,465 INFO L168 Benchmark]: Toolchain (without parser) took 34588.31 ms. Allocated memory was 302.0 MB in the beginning and 796.9 MB in the end (delta: 494.9 MB). Free memory was 275.1 MB in the beginning and 526.0 MB in the end (delta: -250.9 MB). Peak memory consumption was 246.8 MB. Max. memory is 16.0 GB. [2021-04-28 18:50:39,466 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:50:39,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.98 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 268.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.0 GB. [2021-04-28 18:50:39,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.83 ms. Allocated memory is still 302.0 MB. Free memory was 268.6 MB in the beginning and 265.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:50:39,469 INFO L168 Benchmark]: Boogie Preprocessor took 71.59 ms. Allocated memory is still 302.0 MB. Free memory was 265.4 MB in the beginning and 263.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:50:39,470 INFO L168 Benchmark]: RCFGBuilder took 2278.50 ms. Allocated memory is still 302.0 MB. Free memory was 263.3 MB in the beginning and 230.3 MB in the end (delta: 33.0 MB). Peak memory consumption was 160.9 MB. Max. memory is 16.0 GB. [2021-04-28 18:50:39,470 INFO L168 Benchmark]: TraceAbstraction took 31328.26 ms. Allocated memory was 302.0 MB in the beginning and 796.9 MB in the end (delta: 494.9 MB). Free memory was 230.3 MB in the beginning and 526.0 MB in the end (delta: -295.7 MB). Peak memory consumption was 200.3 MB. Max. memory is 16.0 GB. [2021-04-28 18:50:39,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 771.98 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 268.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.83 ms. Allocated memory is still 302.0 MB. Free memory was 268.6 MB in the beginning and 265.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 71.59 ms. Allocated memory is still 302.0 MB. Free memory was 265.4 MB in the beginning and 263.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2278.50 ms. Allocated memory is still 302.0 MB. Free memory was 263.3 MB in the beginning and 230.3 MB in the end (delta: 33.0 MB). Peak memory consumption was 160.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31328.26 ms. Allocated memory was 302.0 MB in the beginning and 796.9 MB in the end (delta: 494.9 MB). Free memory was 230.3 MB in the beginning and 526.0 MB in the end (delta: -295.7 MB). Peak memory consumption was 200.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28227.7ms, 85 PlacesBefore, 107 PlacesAfterwards, 80 TransitionsBefore, 101 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 8 FixpointIterations, 114 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 191 TotalNumberOfCompositions, 8910 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2576, positive: 2374, positive conditional: 2374, positive unconditional: 0, negative: 202, negative conditional: 202, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1265, positive: 1209, positive conditional: 0, positive unconditional: 1209, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1265, positive: 1209, positive conditional: 0, positive unconditional: 1209, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1265, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 978, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 893, negative conditional: 0, negative unconditional: 893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2576, positive: 1165, positive conditional: 1165, positive unconditional: 0, negative: 146, negative conditional: 146, negative unconditional: 0, unknown: 1265, unknown conditional: 1265, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1265, Positive cache size: 1209, Positive conditional cache size: 1209, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.4ms, 104 PlacesBefore, 58 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1464 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 217, positive: 153, positive conditional: 153, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 118, negative conditional: 38, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 217, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1309, Positive cache size: 1235, Positive conditional cache size: 1235, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.2ms, 59 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 417 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1324, Positive cache size: 1248, Positive conditional cache size: 1248, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 255.0ms, 44 PlacesBefore, 43 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 363 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 236, negative conditional: 0, negative unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1330, Positive cache size: 1250, Positive conditional cache size: 1250, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.4ms, 49 PlacesBefore, 49 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 501 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 4, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 4, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1340, Positive cache size: 1259, Positive conditional cache size: 1259, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.5ms, 57 PlacesBefore, 54 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1353, Positive cache size: 1271, Positive conditional cache size: 1271, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t587; [L811] FCALL, FORK 0 pthread_create(&t587, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 1 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t588; [L813] FCALL, FORK 0 pthread_create(&t588, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$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$w_buff0)) [L777] EXPR 2 !y$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) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$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)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L778] EXPR 2 weak$$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$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$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)) [L779] EXPR 2 !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) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$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)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$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)) [L781] EXPR 2 !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) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$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)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] 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) [L788] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L788] 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) [L788] 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) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 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 [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 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 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$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: 15.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 31090.8ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 946.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28331.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 50 SDtfs, 42 SDslu, 8 SDs, 0 SdLazy, 173 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 237.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 65.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=5, InterpolantAutomatonStates: 22, 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: 27.1ms SsaConstructionTime, 300.7ms SatisfiabilityAnalysisTime, 379.8ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...