/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix006_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 04:38:59,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 04:38:59,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 04:38:59,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 04:38:59,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 04:38:59,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 04:38:59,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 04:38:59,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 04:38:59,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 04:38:59,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 04:38:59,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 04:38:59,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 04:38:59,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 04:38:59,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 04:38:59,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 04:38:59,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 04:38:59,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 04:38:59,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 04:38:59,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 04:38:59,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 04:38:59,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 04:38:59,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 04:38:59,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 04:38:59,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 04:38:59,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 04:38:59,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 04:38:59,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 04:38:59,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 04:38:59,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 04:38:59,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 04:38:59,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 04:38:59,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 04:38:59,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 04:38:59,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 04:38:59,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 04:38:59,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 04:38:59,297 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-SemanticLbe-SemanticLooper.epf [2020-10-16 04:38:59,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 04:38:59,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 04:38:59,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 04:38:59,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 04:38:59,321 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 04:38:59,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 04:38:59,322 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 04:38:59,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 04:38:59,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 04:38:59,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 04:38:59,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 04:38:59,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 04:38:59,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 04:38:59,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 04:38:59,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 04:38:59,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 04:38:59,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 04:38:59,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 04:38:59,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 04:38:59,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 04:38:59,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 04:38:59,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 04:38:59,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 04:38:59,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 04:38:59,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 04:38:59,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 04:38:59,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 04:38:59,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 04:38:59,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 04:38:59,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 04:38:59,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 04:38:59,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 04:38:59,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 04:38:59,639 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 04:38:59,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006_power.opt.i [2020-10-16 04:38:59,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb6ec80e/7357b18ae0f448deb006565984aba03d/FLAGa2d721356 [2020-10-16 04:39:00,227 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 04:39:00,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_power.opt.i [2020-10-16 04:39:00,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb6ec80e/7357b18ae0f448deb006565984aba03d/FLAGa2d721356 [2020-10-16 04:39:00,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb6ec80e/7357b18ae0f448deb006565984aba03d [2020-10-16 04:39:00,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 04:39:00,547 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 04:39:00,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 04:39:00,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 04:39:00,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 04:39:00,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:39:00" (1/1) ... [2020-10-16 04:39:00,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c33e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:00, skipping insertion in model container [2020-10-16 04:39:00,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:39:00" (1/1) ... [2020-10-16 04:39:00,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 04:39:00,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 04:39:01,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 04:39:01,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 04:39:01,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 04:39:01,425 INFO L208 MainTranslator]: Completed translation [2020-10-16 04:39:01,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01 WrapperNode [2020-10-16 04:39:01,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 04:39:01,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 04:39:01,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 04:39:01,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 04:39:01,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 04:39:01,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 04:39:01,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 04:39:01,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 04:39:01,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (1/1) ... [2020-10-16 04:39:01,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 04:39:01,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 04:39:01,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 04:39:01,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 04:39:01,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (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 [2020-10-16 04:39:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 04:39:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 04:39:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 04:39:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 04:39:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 04:39:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 04:39:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 04:39:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 04:39:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 04:39:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 04:39:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 04:39:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 04:39:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 04:39:01,611 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 04:39:04,051 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 04:39:04,051 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 04:39:04,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:39:04 BoogieIcfgContainer [2020-10-16 04:39:04,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 04:39:04,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 04:39:04,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 04:39:04,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 04:39:04,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:39:00" (1/3) ... [2020-10-16 04:39:04,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a25117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:39:04, skipping insertion in model container [2020-10-16 04:39:04,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:39:01" (2/3) ... [2020-10-16 04:39:04,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a25117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:39:04, skipping insertion in model container [2020-10-16 04:39:04,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:39:04" (3/3) ... [2020-10-16 04:39:04,070 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006_power.opt.i [2020-10-16 04:39:04,088 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 04:39:04,100 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 04:39:04,101 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 04:39:04,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,179 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,179 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,180 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,180 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,246 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,248 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,251 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 04:39:04,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 04:39:04,314 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 04:39:04,314 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 04:39:04,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 04:39:04,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 04:39:04,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 04:39:04,315 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 04:39:04,315 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 04:39:04,315 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 04:39:04,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 205 flow [2020-10-16 04:39:04,431 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2020-10-16 04:39:04,432 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:39:04,439 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-16 04:39:04,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 95 transitions, 205 flow [2020-10-16 04:39:04,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 193 flow [2020-10-16 04:39:04,456 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 04:39:04,464 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 193 flow [2020-10-16 04:39:04,468 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 92 transitions, 193 flow [2020-10-16 04:39:04,469 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 193 flow [2020-10-16 04:39:04,521 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2020-10-16 04:39:04,521 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:39:04,523 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-16 04:39:04,527 INFO L117 LiptonReduction]: Number of co-enabled transitions 1614 [2020-10-16 04:39:04,606 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 04:39:04,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:05,139 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 04:39:05,244 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 04:39:05,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 04:39:05,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:05,862 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 04:39:05,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:05,866 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 04:39:05,867 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 04:39:05,872 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 04:39:05,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 04:39:05,898 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 04:39:05,898 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:05,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 04:39:05,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:05,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 04:39:05,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 04:39:05,904 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 04:39:05,904 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 04:39:06,187 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,190 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,191 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,191 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,209 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,210 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,211 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,213 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,213 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,216 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,218 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,221 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,225 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:06,225 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,228 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,229 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,231 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,329 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,329 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,330 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,331 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,333 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,333 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,337 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,339 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,341 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,341 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,347 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,350 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,350 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,354 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:06,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 04:39:06,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,460 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,461 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,632 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:06,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,634 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,634 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,635 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,636 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,651 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,653 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,655 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,658 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,697 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,703 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,703 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,707 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:06,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,714 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,716 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,717 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,823 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,824 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,826 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,826 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,829 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,841 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,843 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,844 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:06,849 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,852 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,852 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,853 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 04:39:06,856 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:06,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:06,861 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:06,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:07,076 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 04:39:07,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:07,078 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,079 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 04:39:07,080 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 04:39:07,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,081 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 04:39:07,083 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 04:39:07,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,084 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,085 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,118 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,118 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 04:39:07,120 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:07,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,428 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 04:39:07,430 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 04:39:07,431 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,463 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 04:39:07,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 04:39:07,466 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,466 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 04:39:07,467 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,467 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 04:39:07,468 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 04:39:07,470 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 04:39:07,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,472 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:07,473 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 04:39:07,473 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 04:39:08,292 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-16 04:39:08,421 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 04:39:08,428 INFO L132 LiptonReduction]: Checked pairs total: 4338 [2020-10-16 04:39:08,428 INFO L134 LiptonReduction]: Total number of compositions: 80 [2020-10-16 04:39:08,442 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3988 [2020-10-16 04:39:08,457 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2020-10-16 04:39:08,458 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:39:08,458 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:08,459 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:08,459 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:08,466 INFO L82 PathProgramCache]: Analyzing trace with hash -526847986, now seen corresponding path program 1 times [2020-10-16 04:39:08,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:08,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875769869] [2020-10-16 04:39:08,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:08,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875769869] [2020-10-16 04:39:08,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:08,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 04:39:08,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699962732] [2020-10-16 04:39:08,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 04:39:08,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:08,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 04:39:08,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 04:39:08,757 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 175 [2020-10-16 04:39:08,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 59 flow. Second operand 3 states. [2020-10-16 04:39:08,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:08,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 175 [2020-10-16 04:39:08,761 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:08,822 INFO L129 PetriNetUnfolder]: 13/67 cut-off events. [2020-10-16 04:39:08,822 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:39:08,823 INFO L80 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 67 events. 13/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 217 event pairs, 5 based on Foata normal form. 8/67 useless extension candidates. Maximal degree in co-relation 97. Up to 25 conditions per place. [2020-10-16 04:39:08,824 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 6 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2020-10-16 04:39:08,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 25 transitions, 75 flow [2020-10-16 04:39:08,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 04:39:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 04:39:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2020-10-16 04:39:08,842 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8723809523809524 [2020-10-16 04:39:08,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 458 transitions. [2020-10-16 04:39:08,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 458 transitions. [2020-10-16 04:39:08,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:08,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 458 transitions. [2020-10-16 04:39:08,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 04:39:08,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 04:39:08,860 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 04:39:08,863 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 59 flow. Second operand 3 states and 458 transitions. [2020-10-16 04:39:08,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 25 transitions, 75 flow [2020-10-16 04:39:08,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 25 transitions, 72 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 04:39:08,868 INFO L241 Difference]: Finished difference. Result has 32 places, 23 transitions, 56 flow [2020-10-16 04:39:08,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2020-10-16 04:39:08,872 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2020-10-16 04:39:08,872 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 56 flow [2020-10-16 04:39:08,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 04:39:08,872 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:08,872 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:08,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 04:39:08,873 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:08,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:08,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1515206852, now seen corresponding path program 1 times [2020-10-16 04:39:08,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:08,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417874872] [2020-10-16 04:39:08,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:09,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417874872] [2020-10-16 04:39:09,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:09,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:39:09,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939435316] [2020-10-16 04:39:09,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:39:09,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:09,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:39:09,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:39:09,040 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 175 [2020-10-16 04:39:09,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 56 flow. Second operand 4 states. [2020-10-16 04:39:09,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:09,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 175 [2020-10-16 04:39:09,041 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:09,086 INFO L129 PetriNetUnfolder]: 2/31 cut-off events. [2020-10-16 04:39:09,086 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 04:39:09,086 INFO L80 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 31 events. 2/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 43. Up to 4 conditions per place. [2020-10-16 04:39:09,087 INFO L132 encePairwiseOnDemand]: 170/175 looper letters, 2 selfloop transitions, 2 changer transitions 5/27 dead transitions. [2020-10-16 04:39:09,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 82 flow [2020-10-16 04:39:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:39:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:39:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 756 transitions. [2020-10-16 04:39:09,091 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.864 [2020-10-16 04:39:09,091 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 756 transitions. [2020-10-16 04:39:09,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 756 transitions. [2020-10-16 04:39:09,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:09,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 756 transitions. [2020-10-16 04:39:09,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:39:09,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:39:09,097 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:39:09,097 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 56 flow. Second operand 5 states and 756 transitions. [2020-10-16 04:39:09,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 82 flow [2020-10-16 04:39:09,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 78 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 04:39:09,098 INFO L241 Difference]: Finished difference. Result has 37 places, 22 transitions, 62 flow [2020-10-16 04:39:09,099 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=62, PETRI_PLACES=37, PETRI_TRANSITIONS=22} [2020-10-16 04:39:09,099 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2020-10-16 04:39:09,100 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 22 transitions, 62 flow [2020-10-16 04:39:09,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:39:09,100 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:09,100 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:09,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 04:39:09,100 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:09,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1656829662, now seen corresponding path program 1 times [2020-10-16 04:39:09,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:09,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221400574] [2020-10-16 04:39:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:09,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221400574] [2020-10-16 04:39:09,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:09,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:39:09,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328253062] [2020-10-16 04:39:09,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:39:09,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:09,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:39:09,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:39:09,247 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 175 [2020-10-16 04:39:09,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 22 transitions, 62 flow. Second operand 4 states. [2020-10-16 04:39:09,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:09,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 175 [2020-10-16 04:39:09,249 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:09,323 INFO L129 PetriNetUnfolder]: 14/64 cut-off events. [2020-10-16 04:39:09,323 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2020-10-16 04:39:09,325 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 64 events. 14/64 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 207 event pairs, 7 based on Foata normal form. 6/66 useless extension candidates. Maximal degree in co-relation 119. Up to 28 conditions per place. [2020-10-16 04:39:09,326 INFO L132 encePairwiseOnDemand]: 170/175 looper letters, 5 selfloop transitions, 3 changer transitions 6/30 dead transitions. [2020-10-16 04:39:09,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 108 flow [2020-10-16 04:39:09,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:39:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:39:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 746 transitions. [2020-10-16 04:39:09,331 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8525714285714285 [2020-10-16 04:39:09,331 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 746 transitions. [2020-10-16 04:39:09,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 746 transitions. [2020-10-16 04:39:09,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:09,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 746 transitions. [2020-10-16 04:39:09,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:39:09,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:39:09,336 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:39:09,336 INFO L185 Difference]: Start difference. First operand has 37 places, 22 transitions, 62 flow. Second operand 5 states and 746 transitions. [2020-10-16 04:39:09,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 108 flow [2020-10-16 04:39:09,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 100 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 04:39:09,339 INFO L241 Difference]: Finished difference. Result has 37 places, 24 transitions, 81 flow [2020-10-16 04:39:09,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=81, PETRI_PLACES=37, PETRI_TRANSITIONS=24} [2020-10-16 04:39:09,339 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2020-10-16 04:39:09,340 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 24 transitions, 81 flow [2020-10-16 04:39:09,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:39:09,340 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:09,340 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:09,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 04:39:09,341 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:09,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:09,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1602409322, now seen corresponding path program 1 times [2020-10-16 04:39:09,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:09,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246106137] [2020-10-16 04:39:09,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:09,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246106137] [2020-10-16 04:39:09,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:09,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 04:39:09,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308711244] [2020-10-16 04:39:09,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:39:09,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:09,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:39:09,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:39:09,493 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 175 [2020-10-16 04:39:09,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 24 transitions, 81 flow. Second operand 4 states. [2020-10-16 04:39:09,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:09,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 175 [2020-10-16 04:39:09,494 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:09,532 INFO L129 PetriNetUnfolder]: 5/42 cut-off events. [2020-10-16 04:39:09,532 INFO L130 PetriNetUnfolder]: For 34/38 co-relation queries the response was YES. [2020-10-16 04:39:09,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 42 events. 5/42 cut-off events. For 34/38 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 104 event pairs, 1 based on Foata normal form. 5/44 useless extension candidates. Maximal degree in co-relation 86. Up to 14 conditions per place. [2020-10-16 04:39:09,533 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 2 selfloop transitions, 2 changer transitions 2/26 dead transitions. [2020-10-16 04:39:09,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 26 transitions, 101 flow [2020-10-16 04:39:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:39:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:39:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 753 transitions. [2020-10-16 04:39:09,537 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8605714285714285 [2020-10-16 04:39:09,538 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 753 transitions. [2020-10-16 04:39:09,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 753 transitions. [2020-10-16 04:39:09,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:09,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 753 transitions. [2020-10-16 04:39:09,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:39:09,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:39:09,542 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:39:09,542 INFO L185 Difference]: Start difference. First operand has 37 places, 24 transitions, 81 flow. Second operand 5 states and 753 transitions. [2020-10-16 04:39:09,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 26 transitions, 101 flow [2020-10-16 04:39:09,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 26 transitions, 94 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-16 04:39:09,545 INFO L241 Difference]: Finished difference. Result has 40 places, 24 transitions, 86 flow [2020-10-16 04:39:09,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=86, PETRI_PLACES=40, PETRI_TRANSITIONS=24} [2020-10-16 04:39:09,545 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 6 predicate places. [2020-10-16 04:39:09,545 INFO L481 AbstractCegarLoop]: Abstraction has has 40 places, 24 transitions, 86 flow [2020-10-16 04:39:09,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:39:09,546 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:09,546 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:09,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 04:39:09,546 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:09,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:09,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1098129396, now seen corresponding path program 1 times [2020-10-16 04:39:09,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:09,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544210664] [2020-10-16 04:39:09,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:09,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544210664] [2020-10-16 04:39:09,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:09,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 04:39:09,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239162541] [2020-10-16 04:39:09,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 04:39:09,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:09,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 04:39:09,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 04:39:09,712 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 175 [2020-10-16 04:39:09,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 86 flow. Second operand 4 states. [2020-10-16 04:39:09,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:09,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 175 [2020-10-16 04:39:09,713 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:09,763 INFO L129 PetriNetUnfolder]: 41/116 cut-off events. [2020-10-16 04:39:09,764 INFO L130 PetriNetUnfolder]: For 67/73 co-relation queries the response was YES. [2020-10-16 04:39:09,765 INFO L80 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 116 events. 41/116 cut-off events. For 67/73 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 494 event pairs, 14 based on Foata normal form. 10/118 useless extension candidates. Maximal degree in co-relation 271. Up to 56 conditions per place. [2020-10-16 04:39:09,766 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 7 selfloop transitions, 7 changer transitions 2/34 dead transitions. [2020-10-16 04:39:09,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 138 flow [2020-10-16 04:39:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:39:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:39:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 708 transitions. [2020-10-16 04:39:09,769 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8091428571428572 [2020-10-16 04:39:09,769 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 708 transitions. [2020-10-16 04:39:09,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 708 transitions. [2020-10-16 04:39:09,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:09,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 708 transitions. [2020-10-16 04:39:09,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:39:09,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:39:09,774 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:39:09,774 INFO L185 Difference]: Start difference. First operand has 40 places, 24 transitions, 86 flow. Second operand 5 states and 708 transitions. [2020-10-16 04:39:09,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 138 flow [2020-10-16 04:39:09,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 130 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 04:39:09,777 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 132 flow [2020-10-16 04:39:09,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=132, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2020-10-16 04:39:09,777 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 7 predicate places. [2020-10-16 04:39:09,777 INFO L481 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 132 flow [2020-10-16 04:39:09,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 04:39:09,778 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:09,778 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:09,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 04:39:09,778 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:09,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1841651619, now seen corresponding path program 1 times [2020-10-16 04:39:09,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:09,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902718181] [2020-10-16 04:39:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:09,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902718181] [2020-10-16 04:39:09,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:09,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 04:39:09,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785907318] [2020-10-16 04:39:09,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 04:39:09,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:09,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 04:39:09,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 04:39:09,906 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 175 [2020-10-16 04:39:09,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 132 flow. Second operand 5 states. [2020-10-16 04:39:09,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:09,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 175 [2020-10-16 04:39:09,907 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:10,013 INFO L129 PetriNetUnfolder]: 25/90 cut-off events. [2020-10-16 04:39:10,013 INFO L130 PetriNetUnfolder]: For 98/150 co-relation queries the response was YES. [2020-10-16 04:39:10,015 INFO L80 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 90 events. 25/90 cut-off events. For 98/150 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 336 event pairs, 2 based on Foata normal form. 29/114 useless extension candidates. Maximal degree in co-relation 292. Up to 52 conditions per place. [2020-10-16 04:39:10,016 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 5 selfloop transitions, 13 changer transitions 4/40 dead transitions. [2020-10-16 04:39:10,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 40 transitions, 234 flow [2020-10-16 04:39:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 04:39:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 04:39:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 990 transitions. [2020-10-16 04:39:10,021 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8081632653061225 [2020-10-16 04:39:10,021 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 990 transitions. [2020-10-16 04:39:10,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 990 transitions. [2020-10-16 04:39:10,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:10,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 990 transitions. [2020-10-16 04:39:10,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 04:39:10,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 04:39:10,028 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 04:39:10,028 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 132 flow. Second operand 7 states and 990 transitions. [2020-10-16 04:39:10,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 40 transitions, 234 flow [2020-10-16 04:39:10,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 40 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 04:39:10,036 INFO L241 Difference]: Finished difference. Result has 49 places, 36 transitions, 216 flow [2020-10-16 04:39:10,036 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=216, PETRI_PLACES=49, PETRI_TRANSITIONS=36} [2020-10-16 04:39:10,036 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 15 predicate places. [2020-10-16 04:39:10,036 INFO L481 AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 216 flow [2020-10-16 04:39:10,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 04:39:10,037 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:10,037 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:10,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 04:39:10,037 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:10,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1438744313, now seen corresponding path program 1 times [2020-10-16 04:39:10,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:10,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969550092] [2020-10-16 04:39:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:10,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969550092] [2020-10-16 04:39:10,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:10,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 04:39:10,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710000536] [2020-10-16 04:39:10,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 04:39:10,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:10,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 04:39:10,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 04:39:10,262 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 175 [2020-10-16 04:39:10,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 216 flow. Second operand 6 states. [2020-10-16 04:39:10,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:10,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 175 [2020-10-16 04:39:10,264 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:10,374 INFO L129 PetriNetUnfolder]: 13/65 cut-off events. [2020-10-16 04:39:10,375 INFO L130 PetriNetUnfolder]: For 188/248 co-relation queries the response was YES. [2020-10-16 04:39:10,376 INFO L80 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 65 events. 13/65 cut-off events. For 188/248 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 213 event pairs, 0 based on Foata normal form. 29/89 useless extension candidates. Maximal degree in co-relation 272. Up to 41 conditions per place. [2020-10-16 04:39:10,377 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 2 selfloop transitions, 17 changer transitions 3/40 dead transitions. [2020-10-16 04:39:10,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 40 transitions, 292 flow [2020-10-16 04:39:10,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 04:39:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 04:39:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1266 transitions. [2020-10-16 04:39:10,382 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8038095238095239 [2020-10-16 04:39:10,383 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1266 transitions. [2020-10-16 04:39:10,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1266 transitions. [2020-10-16 04:39:10,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:10,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1266 transitions. [2020-10-16 04:39:10,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 04:39:10,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 04:39:10,391 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 04:39:10,391 INFO L185 Difference]: Start difference. First operand has 49 places, 36 transitions, 216 flow. Second operand 9 states and 1266 transitions. [2020-10-16 04:39:10,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 40 transitions, 292 flow [2020-10-16 04:39:10,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 40 transitions, 248 flow, removed 16 selfloop flow, removed 5 redundant places. [2020-10-16 04:39:10,396 INFO L241 Difference]: Finished difference. Result has 55 places, 37 transitions, 228 flow [2020-10-16 04:39:10,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=228, PETRI_PLACES=55, PETRI_TRANSITIONS=37} [2020-10-16 04:39:10,397 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 21 predicate places. [2020-10-16 04:39:10,397 INFO L481 AbstractCegarLoop]: Abstraction has has 55 places, 37 transitions, 228 flow [2020-10-16 04:39:10,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 04:39:10,397 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:10,397 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:10,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 04:39:10,398 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:10,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:10,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1559433583, now seen corresponding path program 1 times [2020-10-16 04:39:10,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:10,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866278197] [2020-10-16 04:39:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 04:39:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 04:39:10,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866278197] [2020-10-16 04:39:10,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 04:39:10,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 04:39:10,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466435807] [2020-10-16 04:39:10,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 04:39:10,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 04:39:10,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 04:39:10,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 04:39:10,566 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 175 [2020-10-16 04:39:10,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 37 transitions, 228 flow. Second operand 5 states. [2020-10-16 04:39:10,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 04:39:10,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 175 [2020-10-16 04:39:10,567 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 04:39:10,621 INFO L129 PetriNetUnfolder]: 22/104 cut-off events. [2020-10-16 04:39:10,621 INFO L130 PetriNetUnfolder]: For 252/278 co-relation queries the response was YES. [2020-10-16 04:39:10,623 INFO L80 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 104 events. 22/104 cut-off events. For 252/278 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 479 event pairs, 0 based on Foata normal form. 2/96 useless extension candidates. Maximal degree in co-relation 375. Up to 36 conditions per place. [2020-10-16 04:39:10,623 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 4 selfloop transitions, 1 changer transitions 2/39 dead transitions. [2020-10-16 04:39:10,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 39 transitions, 246 flow [2020-10-16 04:39:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 04:39:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 04:39:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 718 transitions. [2020-10-16 04:39:10,626 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8205714285714286 [2020-10-16 04:39:10,627 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 718 transitions. [2020-10-16 04:39:10,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 718 transitions. [2020-10-16 04:39:10,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 04:39:10,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 718 transitions. [2020-10-16 04:39:10,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 04:39:10,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 04:39:10,631 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 04:39:10,631 INFO L185 Difference]: Start difference. First operand has 55 places, 37 transitions, 228 flow. Second operand 5 states and 718 transitions. [2020-10-16 04:39:10,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 39 transitions, 246 flow [2020-10-16 04:39:10,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 39 transitions, 188 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-16 04:39:10,636 INFO L241 Difference]: Finished difference. Result has 53 places, 37 transitions, 179 flow [2020-10-16 04:39:10,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=179, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2020-10-16 04:39:10,637 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 19 predicate places. [2020-10-16 04:39:10,637 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 37 transitions, 179 flow [2020-10-16 04:39:10,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 04:39:10,638 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 04:39:10,638 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 04:39:10,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 04:39:10,638 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 04:39:10,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 04:39:10,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1529721423, now seen corresponding path program 2 times [2020-10-16 04:39:10,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 04:39:10,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565958953] [2020-10-16 04:39:10,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 04:39:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:39:10,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:39:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 04:39:10,877 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 04:39:10,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 04:39:10,938 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 04:39:10,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 04:39:10,972 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,972 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,973 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,974 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,974 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,974 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,974 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,974 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,975 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,975 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,976 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,976 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,976 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,976 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,976 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,976 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,977 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,977 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,978 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,978 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,978 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,979 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,980 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,980 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,980 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,985 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,985 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,986 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,986 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,986 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,986 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,986 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,986 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,986 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,987 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,987 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,987 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,987 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,987 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,987 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,987 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,988 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,988 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,988 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,988 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,988 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,989 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,989 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,989 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,990 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,990 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,990 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,991 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,991 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,991 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,992 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,992 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,992 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:10,993 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 04:39:10,993 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 04:39:11,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 04:39:11 BasicIcfg [2020-10-16 04:39:11,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 04:39:11,107 INFO L168 Benchmark]: Toolchain (without parser) took 10560.37 ms. Allocated memory was 248.0 MB in the beginning and 525.3 MB in the end (delta: 277.3 MB). Free memory was 203.9 MB in the beginning and 400.1 MB in the end (delta: -196.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 14.2 GB. [2020-10-16 04:39:11,110 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 04:39:11,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.05 ms. Allocated memory was 248.0 MB in the beginning and 304.6 MB in the end (delta: 56.6 MB). Free memory was 203.9 MB in the beginning and 250.3 MB in the end (delta: -46.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. [2020-10-16 04:39:11,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.37 ms. Allocated memory is still 304.6 MB. Free memory was 250.3 MB in the beginning and 247.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 04:39:11,114 INFO L168 Benchmark]: Boogie Preprocessor took 41.83 ms. Allocated memory is still 304.6 MB. Free memory was 247.8 MB in the beginning and 245.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 04:39:11,115 INFO L168 Benchmark]: RCFGBuilder took 2513.04 ms. Allocated memory was 304.6 MB in the beginning and 367.0 MB in the end (delta: 62.4 MB). Free memory was 245.3 MB in the beginning and 311.5 MB in the end (delta: -66.2 MB). Peak memory consumption was 146.5 MB. Max. memory is 14.2 GB. [2020-10-16 04:39:11,118 INFO L168 Benchmark]: TraceAbstraction took 7048.33 ms. Allocated memory was 367.0 MB in the beginning and 525.3 MB in the end (delta: 158.3 MB). Free memory was 311.5 MB in the beginning and 400.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 69.7 MB. Max. memory is 14.2 GB. [2020-10-16 04:39:11,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 878.05 ms. Allocated memory was 248.0 MB in the beginning and 304.6 MB in the end (delta: 56.6 MB). Free memory was 203.9 MB in the beginning and 250.3 MB in the end (delta: -46.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 73.37 ms. Allocated memory is still 304.6 MB. Free memory was 250.3 MB in the beginning and 247.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.83 ms. Allocated memory is still 304.6 MB. Free memory was 247.8 MB in the beginning and 245.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2513.04 ms. Allocated memory was 304.6 MB in the beginning and 367.0 MB in the end (delta: 62.4 MB). Free memory was 245.3 MB in the beginning and 311.5 MB in the end (delta: -66.2 MB). Peak memory consumption was 146.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 7048.33 ms. Allocated memory was 367.0 MB in the beginning and 525.3 MB in the end (delta: 158.3 MB). Free memory was 311.5 MB in the beginning and 400.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 69.7 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1211 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 164 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 100 PlacesBefore, 34 PlacesAfterwards, 92 TransitionsBefore, 25 TransitionsAfterwards, 1614 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 4338 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p1_EAX = 0; [L702] 0 int __unbuffered_p1_EBX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L707] 0 _Bool main$tmp_guard0; [L708] 0 _Bool main$tmp_guard1; [L710] 0 int x = 0; [L712] 0 int y = 0; [L713] 0 _Bool y$flush_delayed; [L714] 0 int y$mem_tmp; [L715] 0 _Bool y$r_buff0_thd0; [L716] 0 _Bool y$r_buff0_thd1; [L717] 0 _Bool y$r_buff0_thd2; [L718] 0 _Bool y$r_buff0_thd3; [L719] 0 _Bool y$r_buff1_thd0; [L720] 0 _Bool y$r_buff1_thd1; [L721] 0 _Bool y$r_buff1_thd2; [L722] 0 _Bool y$r_buff1_thd3; [L723] 0 _Bool y$read_delayed; [L724] 0 int *y$read_delayed_var; [L725] 0 int y$w_buff0; [L726] 0 _Bool y$w_buff0_used; [L727] 0 int y$w_buff1; [L728] 0 _Bool y$w_buff1_used; [L730] 0 int z = 0; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L835] 0 pthread_t t156; [L836] FCALL, FORK 0 pthread_create(&t156, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L837] 0 pthread_t t157; [L838] FCALL, FORK 0 pthread_create(&t157, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L839] 0 pthread_t t158; [L840] FCALL, FORK 0 pthread_create(&t158, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L782] 3 y$w_buff1 = y$w_buff0 [L783] 3 y$w_buff0 = 1 [L784] 3 y$w_buff1_used = y$w_buff0_used [L785] 3 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L787] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L788] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L789] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L790] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L791] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L794] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L795] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L796] 3 y$flush_delayed = weak$$choice2 [L797] 3 y$mem_tmp = y [L798] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L798] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L798] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L798] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L799] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L799] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L800] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L800] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L800] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L800] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L801] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L801] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L802] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L803] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L804] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] 3 __unbuffered_p2_EAX = y [L806] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L806] 3 y = y$flush_delayed ? y$mem_tmp : y [L807] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L810] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L736] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L739] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L744] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L746] 1 return 0; [L751] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L754] 2 __unbuffered_p1_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L757] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L758] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L759] 2 y$flush_delayed = weak$$choice2 [L760] 2 y$mem_tmp = y [L761] EXPR 2 !y$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) [L761] 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) [L762] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L762] 2 y$w_buff0 = weak$$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)) [L763] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L763] 2 y$w_buff1 = weak$$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)) [L764] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L764] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L764] EXPR 2 weak$$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)) [L764] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L765] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L765] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L766] EXPR 2 weak$$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)) [L766] 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$r_buff0_thd2) [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] 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) [L766] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L766] 2 y$r_buff0_thd2 = weak$$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)) [L767] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L767] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L767] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L768] 2 __unbuffered_p1_EBX = y [L769] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L769] 2 y = y$flush_delayed ? y$mem_tmp : y [L770] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=2, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L842] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L846] 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) [L846] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L846] 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) [L846] 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) [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L847] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L848] 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 [L849] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L849] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L850] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L850] 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 [L853] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=2, y=1, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 94 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 6.6s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 35 SDtfs, 28 SDslu, 28 SDs, 0 SdLazy, 119 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...