/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix016_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:58:55,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:58:55,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:58:55,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:58:55,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:58:55,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:58:55,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:58:55,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:58:55,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:58:55,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:58:55,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:58:55,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:58:55,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:58:55,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:58:55,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:58:55,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:58:55,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:58:55,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:58:55,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:58:55,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:58:55,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:58:55,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:58:55,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:58:55,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:58:55,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 17:58:55,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 17:58:55,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 17:58:55,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 17:58:55,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 17:58:55,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 17:58:55,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 17:58:55,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 17:58:55,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 17:58:55,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 17:58:55,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 17:58:55,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 17:58:55,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 17:58:55,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 17:58:55,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:58:55,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:58:55,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:58:55,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 17:58:55,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:58:55,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:58:55,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:58:55,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:58:55,728 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:58:55,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:58:55,729 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:58:55,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:58:55,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:58:55,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:58:55,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:58:55,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:58:55,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:58:55,731 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:58:55,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:58:55,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:58:55,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:58:55,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:58:55,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:58:55,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:58:55,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:58:55,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:58:55,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:58:55,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:58:55,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:58:55,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:58:55,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:58:55,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:58:55,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:58:55,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:58:55,735 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:58:56,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:58:56,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:58:56,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:58:56,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:58:56,160 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:58:56,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016_power.opt.i [2021-04-28 17:58:56,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419d202fb/347332a04d4041fab30e11259c6f091b/FLAGb66488eca [2021-04-28 17:58:57,101 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:58:57,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_power.opt.i [2021-04-28 17:58:57,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419d202fb/347332a04d4041fab30e11259c6f091b/FLAGb66488eca [2021-04-28 17:58:57,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419d202fb/347332a04d4041fab30e11259c6f091b [2021-04-28 17:58:57,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:58:57,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:58:57,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:58:57,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:58:57,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:58:57,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:58:57" (1/1) ... [2021-04-28 17:58:57,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71040ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:57, skipping insertion in model container [2021-04-28 17:58:57,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:58:57" (1/1) ... [2021-04-28 17:58:57,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:58:57,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:58:57,566 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_power.opt.i[993,1006] [2021-04-28 17:58:57,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:58:57,874 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:58:57,888 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_power.opt.i[993,1006] [2021-04-28 17:58:57,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:58:58,067 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:58:58,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58 WrapperNode [2021-04-28 17:58:58,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:58:58,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:58:58,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:58:58,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:58:58,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:58:58,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:58:58,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:58:58,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:58:58,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... [2021-04-28 17:58:58,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:58:58,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:58:58,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:58:58,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:58:58,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:58:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:58:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:58:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:58:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:58:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:58:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:58:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:58:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:58:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:58:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:58:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:58:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:58:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:58:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:58:58,302 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 17:59:00,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:59:00,497 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:59:00,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:59:00 BoogieIcfgContainer [2021-04-28 17:59:00,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:59:00,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:59:00,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:59:00,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:59:00,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:58:57" (1/3) ... [2021-04-28 17:59:00,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a12e201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:59:00, skipping insertion in model container [2021-04-28 17:59:00,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:58:58" (2/3) ... [2021-04-28 17:59:00,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a12e201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:59:00, skipping insertion in model container [2021-04-28 17:59:00,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:59:00" (3/3) ... [2021-04-28 17:59:00,508 INFO L111 eAbstractionObserver]: Analyzing ICFG mix016_power.opt.i [2021-04-28 17:59:00,516 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:59:00,522 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:59:00,523 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:59:00,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,563 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,563 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,564 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,564 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,582 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,582 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,583 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,590 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,590 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,591 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,591 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,600 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,605 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,606 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,606 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:59:00,613 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:59:00,637 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 17:59:00,663 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:59:00,664 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:59:00,664 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:59:00,664 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:59:00,664 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:59:00,664 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:59:00,665 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:59:00,665 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:59:00,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 17:59:00,730 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 17:59:00,730 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:00,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 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. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 17:59:00,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 17:59:00,742 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-04-28 17:59:00,744 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:00,762 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 17:59:00,766 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 17:59:00,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-04-28 17:59:00,796 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 17:59:00,797 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:00,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 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. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 17:59:00,802 INFO L146 LiptonReduction]: Number of co-enabled transitions 1668 [2021-04-28 17:59:03,513 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:59:03,629 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:59:04,226 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2021-04-28 17:59:04,468 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 17:59:06,083 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:59:06,329 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 17:59:06,575 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 17:59:17,573 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 17:59:20,768 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:59:20,886 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:59:20,996 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:59:21,109 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:59:21,844 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 17:59:22,435 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:22,553 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:22,669 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:22,783 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:22,897 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:59:23,007 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:59:23,117 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:59:23,230 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:59:24,234 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:59:24,436 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:59:24,959 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:59:26,083 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:59:26,223 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:59:26,362 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:59:26,505 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:59:27,342 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 17:59:27,472 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 17:59:27,631 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 17:59:27,757 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 17:59:28,231 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:59:28,350 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:59:28,470 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:59:28,591 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:59:28,696 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:28,799 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:28,908 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:29,016 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:59:29,146 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:29,275 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:29,408 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:29,546 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:29,729 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:59:29,906 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:59:30,079 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:59:30,282 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:59:30,452 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:30,621 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:30,790 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:30,958 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:31,119 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:31,280 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:31,440 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:31,594 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:31,761 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:31,928 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:32,090 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:32,263 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:59:32,406 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:59:32,549 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:59:32,690 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:59:32,837 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:59:33,052 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:59:33,261 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:59:33,471 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:59:33,685 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:59:33,857 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:59:34,023 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:59:34,178 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:59:34,331 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:59:34,492 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:59:34,655 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:59:34,818 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:59:34,983 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:59:35,108 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:59:35,233 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:59:35,361 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:59:35,492 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:59:35,678 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:59:35,858 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:59:36,041 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:59:36,227 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:59:36,383 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:36,560 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:36,719 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:36,878 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:59:37,463 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:37,657 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:37,860 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:38,059 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:38,532 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 17:59:38,759 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 17:59:39,255 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 17:59:39,482 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 17:59:39,664 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:39,870 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:40,069 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:40,267 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:40,405 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:40,540 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:40,676 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:40,818 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:59:41,012 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:41,215 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:41,416 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:41,608 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:41,809 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:42,006 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:42,206 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:42,406 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:59:42,923 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 17:59:43,173 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 17:59:43,680 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 17:59:43,912 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 17:59:43,963 INFO L158 LiptonReduction]: Checked pairs total: 16683 [2021-04-28 17:59:43,963 INFO L160 LiptonReduction]: Total number of compositions: 266 [2021-04-28 17:59:43,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43227 [2021-04-28 17:59:43,993 INFO L129 PetriNetUnfolder]: 0/68 cut-off events. [2021-04-28 17:59:43,994 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:43,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:43,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 17:59:43,995 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:44,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:44,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1105406562, now seen corresponding path program 1 times [2021-04-28 17:59:44,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:44,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120407171] [2021-04-28 17:59:44,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:44,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:44,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:59:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:44,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120407171] [2021-04-28 17:59:44,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:44,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:59:44,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062619797] [2021-04-28 17:59:44,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:59:44,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:44,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:59:44,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:59:44,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 366 [2021-04-28 17:59:44,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:44,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:44,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 366 [2021-04-28 17:59:44,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:44,526 INFO L129 PetriNetUnfolder]: 29/373 cut-off events. [2021-04-28 17:59:44,527 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:44,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 373 events. 29/373 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2828 event pairs, 15 based on Foata normal form. 23/102 useless extension candidates. Maximal degree in co-relation 372. Up to 41 conditions per place. [2021-04-28 17:59:44,533 INFO L132 encePairwiseOnDemand]: 347/366 looper letters, 7 selfloop transitions, 2 changer transitions 57/125 dead transitions. [2021-04-28 17:59:44,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 125 transitions, 303 flow [2021-04-28 17:59:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:59:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:59:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2021-04-28 17:59:44,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8132969034608379 [2021-04-28 17:59:44,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 893 transitions. [2021-04-28 17:59:44,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 893 transitions. [2021-04-28 17:59:44,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:44,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 893 transitions. [2021-04-28 17:59:44,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:44,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:44,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:44,590 INFO L185 Difference]: Start difference. First operand has 135 places, 126 transitions, 261 flow. Second operand 3 states and 893 transitions. [2021-04-28 17:59:44,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 125 transitions, 303 flow [2021-04-28 17:59:44,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 125 transitions, 300 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 17:59:44,602 INFO L241 Difference]: Finished difference. Result has 131 places, 65 transitions, 140 flow [2021-04-28 17:59:44,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=131, PETRI_TRANSITIONS=65} [2021-04-28 17:59:44,606 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2021-04-28 17:59:44,606 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:44,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 65 transitions, 140 flow [2021-04-28 17:59:44,608 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 65 transitions, 140 flow [2021-04-28 17:59:44,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 65 transitions, 140 flow [2021-04-28 17:59:44,617 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 17:59:44,618 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:44,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 0/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 302 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:59:44,621 INFO L146 LiptonReduction]: Number of co-enabled transitions 1932 [2021-04-28 17:59:44,928 INFO L158 LiptonReduction]: Checked pairs total: 2442 [2021-04-28 17:59:44,928 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:59:44,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-04-28 17:59:44,933 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 65 transitions, 140 flow [2021-04-28 17:59:44,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:44,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:44,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:59:44,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:59:44,935 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:44,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:44,947 INFO L82 PathProgramCache]: Analyzing trace with hash -269182427, now seen corresponding path program 1 times [2021-04-28 17:59:44,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:44,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439806516] [2021-04-28 17:59:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:45,141 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 17:59:45,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 17:59:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:45,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439806516] [2021-04-28 17:59:45,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:45,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:59:45,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468592176] [2021-04-28 17:59:45,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:59:45,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:45,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:59:45,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:59:45,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 366 [2021-04-28 17:59:45,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 65 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:45,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 366 [2021-04-28 17:59:45,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:45,618 INFO L129 PetriNetUnfolder]: 512/1620 cut-off events. [2021-04-28 17:59:45,618 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:45,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2548 conditions, 1620 events. 512/1620 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 16324 event pairs, 154 based on Foata normal form. 0/992 useless extension candidates. Maximal degree in co-relation 2539. Up to 766 conditions per place. [2021-04-28 17:59:45,628 INFO L132 encePairwiseOnDemand]: 346/366 looper letters, 5 selfloop transitions, 4 changer transitions 41/88 dead transitions. [2021-04-28 17:59:45,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 88 transitions, 286 flow [2021-04-28 17:59:45,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:59:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:59:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2021-04-28 17:59:45,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6721311475409836 [2021-04-28 17:59:45,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2021-04-28 17:59:45,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2021-04-28 17:59:45,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:45,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2021-04-28 17:59:45,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,643 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,644 INFO L185 Difference]: Start difference. First operand has 74 places, 65 transitions, 140 flow. Second operand 3 states and 738 transitions. [2021-04-28 17:59:45,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 88 transitions, 286 flow [2021-04-28 17:59:45,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 88 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:59:45,648 INFO L241 Difference]: Finished difference. Result has 75 places, 47 transitions, 122 flow [2021-04-28 17:59:45,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=75, PETRI_TRANSITIONS=47} [2021-04-28 17:59:45,649 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -60 predicate places. [2021-04-28 17:59:45,649 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:45,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 47 transitions, 122 flow [2021-04-28 17:59:45,650 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 47 transitions, 122 flow [2021-04-28 17:59:45,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 47 transitions, 122 flow [2021-04-28 17:59:45,671 INFO L129 PetriNetUnfolder]: 26/123 cut-off events. [2021-04-28 17:59:45,671 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:59:45,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 123 events. 26/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 577 event pairs, 12 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 176. Up to 49 conditions per place. [2021-04-28 17:59:45,677 INFO L146 LiptonReduction]: Number of co-enabled transitions 1156 [2021-04-28 17:59:45,818 INFO L158 LiptonReduction]: Checked pairs total: 644 [2021-04-28 17:59:45,818 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:59:45,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-04-28 17:59:45,820 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 122 flow [2021-04-28 17:59:45,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:45,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:59:45,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:59:45,822 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:45,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:45,823 INFO L82 PathProgramCache]: Analyzing trace with hash -986333876, now seen corresponding path program 1 times [2021-04-28 17:59:45,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:45,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033313751] [2021-04-28 17:59:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:45,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033313751] [2021-04-28 17:59:45,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:45,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:59:45,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026790643] [2021-04-28 17:59:45,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:59:45,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:45,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:59:45,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:59:45,918 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 366 [2021-04-28 17:59:45,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 47 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:45,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 366 [2021-04-28 17:59:45,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:45,942 INFO L129 PetriNetUnfolder]: 21/99 cut-off events. [2021-04-28 17:59:45,943 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-04-28 17:59:45,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 99 events. 21/99 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 431 event pairs, 8 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 156. Up to 41 conditions per place. [2021-04-28 17:59:45,944 INFO L132 encePairwiseOnDemand]: 363/366 looper letters, 1 selfloop transitions, 3 changer transitions 0/47 dead transitions. [2021-04-28 17:59:45,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 47 transitions, 130 flow [2021-04-28 17:59:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:59:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:59:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2021-04-28 17:59:45,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6703096539162113 [2021-04-28 17:59:45,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2021-04-28 17:59:45,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2021-04-28 17:59:45,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:45,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2021-04-28 17:59:45,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:45,956 INFO L185 Difference]: Start difference. First operand has 54 places, 47 transitions, 122 flow. Second operand 3 states and 736 transitions. [2021-04-28 17:59:45,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 47 transitions, 130 flow [2021-04-28 17:59:45,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 47 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:59:45,962 INFO L241 Difference]: Finished difference. Result has 56 places, 47 transitions, 129 flow [2021-04-28 17:59:45,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=56, PETRI_TRANSITIONS=47} [2021-04-28 17:59:45,963 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -79 predicate places. [2021-04-28 17:59:45,963 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:45,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 47 transitions, 129 flow [2021-04-28 17:59:45,964 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 47 transitions, 129 flow [2021-04-28 17:59:45,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 47 transitions, 129 flow [2021-04-28 17:59:45,980 INFO L129 PetriNetUnfolder]: 21/99 cut-off events. [2021-04-28 17:59:45,980 INFO L130 PetriNetUnfolder]: For 10/13 co-relation queries the response was YES. [2021-04-28 17:59:45,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 99 events. 21/99 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 440 event pairs, 8 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 157. Up to 41 conditions per place. [2021-04-28 17:59:45,983 INFO L146 LiptonReduction]: Number of co-enabled transitions 1152 [2021-04-28 17:59:46,105 INFO L158 LiptonReduction]: Checked pairs total: 642 [2021-04-28 17:59:46,106 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:59:46,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-04-28 17:59:46,108 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 47 transitions, 129 flow [2021-04-28 17:59:46,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:46,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:46,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:59:46,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:59:46,109 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:46,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:46,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1046570565, now seen corresponding path program 1 times [2021-04-28 17:59:46,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:46,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10689984] [2021-04-28 17:59:46,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:46,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:46,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:46,184 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:59:46,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:59:46,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:46,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:59:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:46,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10689984] [2021-04-28 17:59:46,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:46,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:59:46,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405708017] [2021-04-28 17:59:46,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:59:46,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:46,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:59:46,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:59:46,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 366 [2021-04-28 17:59:46,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 47 transitions, 129 flow. Second operand has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:46,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:46,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 366 [2021-04-28 17:59:46,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:46,959 INFO L129 PetriNetUnfolder]: 3711/6302 cut-off events. [2021-04-28 17:59:46,959 INFO L130 PetriNetUnfolder]: For 112/121 co-relation queries the response was YES. [2021-04-28 17:59:46,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12697 conditions, 6302 events. 3711/6302 cut-off events. For 112/121 co-relation queries the response was YES. Maximal size of possible extension queue 1296. Compared 53229 event pairs, 1643 based on Foata normal form. 106/1743 useless extension candidates. Maximal degree in co-relation 12685. Up to 3838 conditions per place. [2021-04-28 17:59:47,014 INFO L132 encePairwiseOnDemand]: 347/366 looper letters, 31 selfloop transitions, 30 changer transitions 0/85 dead transitions. [2021-04-28 17:59:47,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 85 transitions, 327 flow [2021-04-28 17:59:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:59:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:59:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1383 transitions. [2021-04-28 17:59:47,020 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7557377049180328 [2021-04-28 17:59:47,020 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1383 transitions. [2021-04-28 17:59:47,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1383 transitions. [2021-04-28 17:59:47,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:47,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1383 transitions. [2021-04-28 17:59:47,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.6) internal successors, (1383), 5 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:47,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:47,033 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:47,033 INFO L185 Difference]: Start difference. First operand has 56 places, 47 transitions, 129 flow. Second operand 5 states and 1383 transitions. [2021-04-28 17:59:47,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 85 transitions, 327 flow [2021-04-28 17:59:47,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 85 transitions, 321 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:59:47,038 INFO L241 Difference]: Finished difference. Result has 61 places, 75 transitions, 348 flow [2021-04-28 17:59:47,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=348, PETRI_PLACES=61, PETRI_TRANSITIONS=75} [2021-04-28 17:59:47,039 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -74 predicate places. [2021-04-28 17:59:47,039 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:47,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 75 transitions, 348 flow [2021-04-28 17:59:47,039 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 75 transitions, 348 flow [2021-04-28 17:59:47,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 75 transitions, 348 flow [2021-04-28 17:59:47,628 INFO L129 PetriNetUnfolder]: 3396/5876 cut-off events. [2021-04-28 17:59:47,628 INFO L130 PetriNetUnfolder]: For 1369/7130 co-relation queries the response was YES. [2021-04-28 17:59:47,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16427 conditions, 5876 events. 3396/5876 cut-off events. For 1369/7130 co-relation queries the response was YES. Maximal size of possible extension queue 1049. Compared 50960 event pairs, 1568 based on Foata normal form. 2/1582 useless extension candidates. Maximal degree in co-relation 16414. Up to 5297 conditions per place. [2021-04-28 17:59:47,722 INFO L146 LiptonReduction]: Number of co-enabled transitions 1500 [2021-04-28 17:59:48,576 INFO L158 LiptonReduction]: Checked pairs total: 1281 [2021-04-28 17:59:48,576 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:59:48,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1538 [2021-04-28 17:59:48,578 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 75 transitions, 348 flow [2021-04-28 17:59:48,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:48,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:48,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:59:48,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:59:48,580 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:48,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:48,581 INFO L82 PathProgramCache]: Analyzing trace with hash 61746107, now seen corresponding path program 1 times [2021-04-28 17:59:48,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:48,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549889611] [2021-04-28 17:59:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:48,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:48,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:48,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:48,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:48,724 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:59:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:59:48,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:48,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:59:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:48,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549889611] [2021-04-28 17:59:48,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:48,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:59:48,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495350644] [2021-04-28 17:59:48,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:59:48,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:48,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:59:48,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:59:48,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 366 [2021-04-28 17:59:48,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 75 transitions, 348 flow. Second operand has 5 states, 5 states have (on average 265.8) internal successors, (1329), 5 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:48,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:48,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 366 [2021-04-28 17:59:48,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:49,854 INFO L129 PetriNetUnfolder]: 3405/6635 cut-off events. [2021-04-28 17:59:49,854 INFO L130 PetriNetUnfolder]: For 2545/24625 co-relation queries the response was YES. [2021-04-28 17:59:49,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24977 conditions, 6635 events. 3405/6635 cut-off events. For 2545/24625 co-relation queries the response was YES. Maximal size of possible extension queue 1644. Compared 61566 event pairs, 317 based on Foata normal form. 150/2075 useless extension candidates. Maximal degree in co-relation 24962. Up to 5972 conditions per place. [2021-04-28 17:59:49,922 INFO L132 encePairwiseOnDemand]: 347/366 looper letters, 23 selfloop transitions, 58 changer transitions 9/114 dead transitions. [2021-04-28 17:59:49,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 114 transitions, 735 flow [2021-04-28 17:59:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:59:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:59:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1939 transitions. [2021-04-28 17:59:49,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7568306010928961 [2021-04-28 17:59:49,931 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1939 transitions. [2021-04-28 17:59:49,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1939 transitions. [2021-04-28 17:59:49,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:49,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1939 transitions. [2021-04-28 17:59:49,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:49,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:49,949 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:49,950 INFO L185 Difference]: Start difference. First operand has 61 places, 75 transitions, 348 flow. Second operand 7 states and 1939 transitions. [2021-04-28 17:59:49,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 114 transitions, 735 flow [2021-04-28 17:59:49,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 114 transitions, 735 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:59:49,998 INFO L241 Difference]: Finished difference. Result has 70 places, 103 transitions, 721 flow [2021-04-28 17:59:49,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=721, PETRI_PLACES=70, PETRI_TRANSITIONS=103} [2021-04-28 17:59:49,999 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -65 predicate places. [2021-04-28 17:59:49,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:49,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 103 transitions, 721 flow [2021-04-28 17:59:49,999 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 103 transitions, 721 flow [2021-04-28 17:59:50,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 103 transitions, 721 flow [2021-04-28 17:59:50,723 INFO L129 PetriNetUnfolder]: 2154/4781 cut-off events. [2021-04-28 17:59:50,723 INFO L130 PetriNetUnfolder]: For 27671/51388 co-relation queries the response was YES. [2021-04-28 17:59:50,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20275 conditions, 4781 events. 2154/4781 cut-off events. For 27671/51388 co-relation queries the response was YES. Maximal size of possible extension queue 1196. Compared 50287 event pairs, 323 based on Foata normal form. 1/1257 useless extension candidates. Maximal degree in co-relation 20257. Up to 4220 conditions per place. [2021-04-28 17:59:50,824 INFO L146 LiptonReduction]: Number of co-enabled transitions 1902 [2021-04-28 17:59:51,269 INFO L158 LiptonReduction]: Checked pairs total: 2487 [2021-04-28 17:59:51,269 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:59:51,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1270 [2021-04-28 17:59:51,271 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 103 transitions, 721 flow [2021-04-28 17:59:51,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 265.8) internal successors, (1329), 5 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:51,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:51,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:59:51,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:59:51,273 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:51,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2114599748, now seen corresponding path program 1 times [2021-04-28 17:59:51,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:51,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248859340] [2021-04-28 17:59:51,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:59:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:51,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 17:59:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 17:59:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:51,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248859340] [2021-04-28 17:59:51,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:51,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:59:51,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146413113] [2021-04-28 17:59:51,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:59:51,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:51,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:59:51,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:59:51,382 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 366 [2021-04-28 17:59:51,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 103 transitions, 721 flow. Second operand has 4 states, 4 states have (on average 211.5) internal successors, (846), 4 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:51,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:51,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 366 [2021-04-28 17:59:51,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:52,744 INFO L129 PetriNetUnfolder]: 4054/8831 cut-off events. [2021-04-28 17:59:52,745 INFO L130 PetriNetUnfolder]: For 43534/78849 co-relation queries the response was YES. [2021-04-28 17:59:52,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37586 conditions, 8831 events. 4054/8831 cut-off events. For 43534/78849 co-relation queries the response was YES. Maximal size of possible extension queue 2424. Compared 99664 event pairs, 595 based on Foata normal form. 53/2424 useless extension candidates. Maximal degree in co-relation 37566. Up to 7892 conditions per place. [2021-04-28 17:59:52,832 INFO L132 encePairwiseOnDemand]: 359/366 looper letters, 8 selfloop transitions, 11 changer transitions 0/112 dead transitions. [2021-04-28 17:59:52,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 112 transitions, 797 flow [2021-04-28 17:59:52,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:59:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:59:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1068 transitions. [2021-04-28 17:59:52,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5836065573770491 [2021-04-28 17:59:52,837 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1068 transitions. [2021-04-28 17:59:52,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1068 transitions. [2021-04-28 17:59:52,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:52,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1068 transitions. [2021-04-28 17:59:52,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 213.6) internal successors, (1068), 5 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:52,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:52,846 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:52,846 INFO L185 Difference]: Start difference. First operand has 70 places, 103 transitions, 721 flow. Second operand 5 states and 1068 transitions. [2021-04-28 17:59:52,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 112 transitions, 797 flow [2021-04-28 17:59:54,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 112 transitions, 656 flow, removed 45 selfloop flow, removed 3 redundant places. [2021-04-28 17:59:54,274 INFO L241 Difference]: Finished difference. Result has 73 places, 109 transitions, 647 flow [2021-04-28 17:59:54,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=647, PETRI_PLACES=73, PETRI_TRANSITIONS=109} [2021-04-28 17:59:54,275 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -62 predicate places. [2021-04-28 17:59:54,275 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:59:54,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 109 transitions, 647 flow [2021-04-28 17:59:54,276 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 109 transitions, 647 flow [2021-04-28 17:59:54,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 109 transitions, 647 flow [2021-04-28 17:59:55,289 INFO L129 PetriNetUnfolder]: 4059/8969 cut-off events. [2021-04-28 17:59:55,290 INFO L130 PetriNetUnfolder]: For 5731/5918 co-relation queries the response was YES. [2021-04-28 17:59:55,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29763 conditions, 8969 events. 4059/8969 cut-off events. For 5731/5918 co-relation queries the response was YES. Maximal size of possible extension queue 2144. Compared 103063 event pairs, 596 based on Foata normal form. 2/2394 useless extension candidates. Maximal degree in co-relation 29743. Up to 3916 conditions per place. [2021-04-28 17:59:55,436 INFO L146 LiptonReduction]: Number of co-enabled transitions 2304 [2021-04-28 17:59:58,051 INFO L158 LiptonReduction]: Checked pairs total: 2630 [2021-04-28 17:59:58,051 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:59:58,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3777 [2021-04-28 17:59:58,055 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 109 transitions, 647 flow [2021-04-28 17:59:58,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 211.5) internal successors, (846), 4 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:58,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:59:58,056 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:59:58,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:59:58,056 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:59:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:59:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1092457876, now seen corresponding path program 2 times [2021-04-28 17:59:58,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:59:58,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268980334] [2021-04-28 17:59:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:59:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:59:58,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:58,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:59:58,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:58,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:58,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:59:58,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:59:58,177 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 17:59:58,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 17:59:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:59:58,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268980334] [2021-04-28 17:59:58,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:59:58,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:59:58,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792081463] [2021-04-28 17:59:58,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:59:58,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:59:58,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:59:58,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:59:58,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 366 [2021-04-28 17:59:58,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 109 transitions, 647 flow. Second operand has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:58,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:59:58,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 366 [2021-04-28 17:59:58,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:59:59,490 INFO L129 PetriNetUnfolder]: 5766/12282 cut-off events. [2021-04-28 17:59:59,491 INFO L130 PetriNetUnfolder]: For 8437/9457 co-relation queries the response was YES. [2021-04-28 17:59:59,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40998 conditions, 12282 events. 5766/12282 cut-off events. For 8437/9457 co-relation queries the response was YES. Maximal size of possible extension queue 3168. Compared 141231 event pairs, 911 based on Foata normal form. 72/3404 useless extension candidates. Maximal degree in co-relation 40976. Up to 5347 conditions per place. [2021-04-28 17:59:59,593 INFO L132 encePairwiseOnDemand]: 359/366 looper letters, 12 selfloop transitions, 9 changer transitions 0/114 dead transitions. [2021-04-28 17:59:59,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 114 transitions, 720 flow [2021-04-28 17:59:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:59:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:59:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1280 transitions. [2021-04-28 17:59:59,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5828779599271403 [2021-04-28 17:59:59,600 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1280 transitions. [2021-04-28 17:59:59,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1280 transitions. [2021-04-28 17:59:59,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:59:59,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1280 transitions. [2021-04-28 17:59:59,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.33333333333334) internal successors, (1280), 6 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:59,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 366.0) internal successors, (2562), 7 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:59,610 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 366.0) internal successors, (2562), 7 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:59:59,611 INFO L185 Difference]: Start difference. First operand has 73 places, 109 transitions, 647 flow. Second operand 6 states and 1280 transitions. [2021-04-28 17:59:59,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 114 transitions, 720 flow [2021-04-28 18:00:02,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 114 transitions, 720 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:00:02,156 INFO L241 Difference]: Finished difference. Result has 79 places, 109 transitions, 668 flow [2021-04-28 18:00:02,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=668, PETRI_PLACES=79, PETRI_TRANSITIONS=109} [2021-04-28 18:00:02,157 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -56 predicate places. [2021-04-28 18:00:02,157 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:00:02,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 109 transitions, 668 flow [2021-04-28 18:00:02,158 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 109 transitions, 668 flow [2021-04-28 18:00:02,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 109 transitions, 668 flow [2021-04-28 18:00:03,110 INFO L129 PetriNetUnfolder]: 5582/11756 cut-off events. [2021-04-28 18:00:03,111 INFO L130 PetriNetUnfolder]: For 8076/10635 co-relation queries the response was YES. [2021-04-28 18:00:03,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39334 conditions, 11756 events. 5582/11756 cut-off events. For 8076/10635 co-relation queries the response was YES. Maximal size of possible extension queue 3107. Compared 137859 event pairs, 916 based on Foata normal form. 2/3056 useless extension candidates. Maximal degree in co-relation 39311. Up to 5102 conditions per place. [2021-04-28 18:00:03,438 INFO L146 LiptonReduction]: Number of co-enabled transitions 2304 [2021-04-28 18:00:06,048 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-28 18:00:06,579 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-04-28 18:00:09,015 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-28 18:00:10,100 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-28 18:00:11,306 INFO L158 LiptonReduction]: Checked pairs total: 5289 [2021-04-28 18:00:11,306 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:00:11,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9149 [2021-04-28 18:00:11,308 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 110 transitions, 676 flow [2021-04-28 18:00:11,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:11,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:00:11,309 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:00:11,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:00:11,309 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:00:11,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:00:11,310 INFO L82 PathProgramCache]: Analyzing trace with hash 890700366, now seen corresponding path program 3 times [2021-04-28 18:00:11,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:00:11,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732102648] [2021-04-28 18:00:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:00:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:00:11,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:11,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:00:11,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:11,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:00:11,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:11,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:00:11,406 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:00:11,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:00:11,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:00:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:00:11,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732102648] [2021-04-28 18:00:11,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:00:11,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:00:11,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472715490] [2021-04-28 18:00:11,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:00:11,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:00:11,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:00:11,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:00:11,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 367 [2021-04-28 18:00:11,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 110 transitions, 676 flow. Second operand has 6 states, 6 states have (on average 266.8333333333333) internal successors, (1601), 6 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:11,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:00:11,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 367 [2021-04-28 18:00:11,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:00:12,936 INFO L129 PetriNetUnfolder]: 4882/11750 cut-off events. [2021-04-28 18:00:12,936 INFO L130 PetriNetUnfolder]: For 9729/47669 co-relation queries the response was YES. [2021-04-28 18:00:12,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49859 conditions, 11750 events. 4882/11750 cut-off events. For 9729/47669 co-relation queries the response was YES. Maximal size of possible extension queue 3108. Compared 147135 event pairs, 3 based on Foata normal form. 313/3701 useless extension candidates. Maximal degree in co-relation 49834. Up to 6048 conditions per place. [2021-04-28 18:00:13,019 INFO L132 encePairwiseOnDemand]: 348/367 looper letters, 5 selfloop transitions, 73 changer transitions 33/132 dead transitions. [2021-04-28 18:00:13,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 132 transitions, 1017 flow [2021-04-28 18:00:13,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:00:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:00:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2486 transitions. [2021-04-28 18:00:13,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7526491068725402 [2021-04-28 18:00:13,028 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2486 transitions. [2021-04-28 18:00:13,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2486 transitions. [2021-04-28 18:00:13,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:00:13,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2486 transitions. [2021-04-28 18:00:13,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 276.22222222222223) internal successors, (2486), 9 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:13,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 367.0) internal successors, (3670), 10 states have internal predecessors, (3670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:13,047 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 367.0) internal successors, (3670), 10 states have internal predecessors, (3670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:13,047 INFO L185 Difference]: Start difference. First operand has 80 places, 110 transitions, 676 flow. Second operand 9 states and 2486 transitions. [2021-04-28 18:00:13,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 132 transitions, 1017 flow [2021-04-28 18:00:15,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 132 transitions, 984 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-04-28 18:00:15,444 INFO L241 Difference]: Finished difference. Result has 86 places, 97 transitions, 759 flow [2021-04-28 18:00:15,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=759, PETRI_PLACES=86, PETRI_TRANSITIONS=97} [2021-04-28 18:00:15,445 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -49 predicate places. [2021-04-28 18:00:15,445 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:00:15,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 97 transitions, 759 flow [2021-04-28 18:00:15,446 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 97 transitions, 759 flow [2021-04-28 18:00:15,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 97 transitions, 759 flow [2021-04-28 18:00:15,619 INFO L129 PetriNetUnfolder]: 533/2727 cut-off events. [2021-04-28 18:00:15,619 INFO L130 PetriNetUnfolder]: For 13777/24123 co-relation queries the response was YES. [2021-04-28 18:00:15,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11881 conditions, 2727 events. 533/2727 cut-off events. For 13777/24123 co-relation queries the response was YES. Maximal size of possible extension queue 1142. Compared 38413 event pairs, 1 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 11857. Up to 1908 conditions per place. [2021-04-28 18:00:15,656 INFO L146 LiptonReduction]: Number of co-enabled transitions 1568 [2021-04-28 18:00:17,168 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-28 18:00:17,722 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-04-28 18:00:20,413 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-28 18:00:21,663 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-28 18:00:22,018 INFO L158 LiptonReduction]: Checked pairs total: 3951 [2021-04-28 18:00:22,018 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:00:22,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6574 [2021-04-28 18:00:22,020 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 97 transitions, 762 flow [2021-04-28 18:00:22,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 266.8333333333333) internal successors, (1601), 6 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:22,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:00:22,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:00:22,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:00:22,021 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:00:22,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:00:22,022 INFO L82 PathProgramCache]: Analyzing trace with hash 2001113931, now seen corresponding path program 1 times [2021-04-28 18:00:22,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:00:22,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560980949] [2021-04-28 18:00:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:00:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:00:22,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:00:22,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:00:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:00:22,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:00:22,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 18:00:22,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:00:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:00:22,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560980949] [2021-04-28 18:00:22,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:00:22,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:00:22,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355794596] [2021-04-28 18:00:22,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:00:22,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:00:22,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:00:22,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:00:22,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 368 [2021-04-28 18:00:22,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 97 transitions, 762 flow. Second operand has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:22,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:00:22,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 368 [2021-04-28 18:00:22,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:00:22,629 INFO L129 PetriNetUnfolder]: 844/4415 cut-off events. [2021-04-28 18:00:22,629 INFO L130 PetriNetUnfolder]: For 19499/33305 co-relation queries the response was YES. [2021-04-28 18:00:22,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19406 conditions, 4415 events. 844/4415 cut-off events. For 19499/33305 co-relation queries the response was YES. Maximal size of possible extension queue 1734. Compared 66591 event pairs, 1 based on Foata normal form. 27/1068 useless extension candidates. Maximal degree in co-relation 19380. Up to 3123 conditions per place. [2021-04-28 18:00:22,651 INFO L132 encePairwiseOnDemand]: 363/368 looper letters, 4 selfloop transitions, 3 changer transitions 55/103 dead transitions. [2021-04-28 18:00:22,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 103 transitions, 827 flow [2021-04-28 18:00:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:00:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:00:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1258 transitions. [2021-04-28 18:00:22,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5697463768115942 [2021-04-28 18:00:22,658 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1258 transitions. [2021-04-28 18:00:22,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1258 transitions. [2021-04-28 18:00:22,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:00:22,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1258 transitions. [2021-04-28 18:00:22,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.66666666666666) internal successors, (1258), 6 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:22,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:22,675 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:22,675 INFO L185 Difference]: Start difference. First operand has 78 places, 97 transitions, 762 flow. Second operand 6 states and 1258 transitions. [2021-04-28 18:00:22,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 103 transitions, 827 flow [2021-04-28 18:00:24,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 103 transitions, 609 flow, removed 49 selfloop flow, removed 9 redundant places. [2021-04-28 18:00:24,078 INFO L241 Difference]: Finished difference. Result has 75 places, 48 transitions, 238 flow [2021-04-28 18:00:24,078 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=238, PETRI_PLACES=75, PETRI_TRANSITIONS=48} [2021-04-28 18:00:24,078 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -60 predicate places. [2021-04-28 18:00:24,078 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:00:24,078 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 48 transitions, 238 flow [2021-04-28 18:00:24,079 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 48 transitions, 238 flow [2021-04-28 18:00:24,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 48 transitions, 238 flow [2021-04-28 18:00:24,097 INFO L129 PetriNetUnfolder]: 100/289 cut-off events. [2021-04-28 18:00:24,097 INFO L130 PetriNetUnfolder]: For 293/293 co-relation queries the response was YES. [2021-04-28 18:00:24,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 289 events. 100/289 cut-off events. For 293/293 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1616 event pairs, 1 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 817. Up to 118 conditions per place. [2021-04-28 18:00:24,099 INFO L146 LiptonReduction]: Number of co-enabled transitions 434 [2021-04-28 18:00:24,347 INFO L158 LiptonReduction]: Checked pairs total: 761 [2021-04-28 18:00:24,347 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 18:00:24,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-04-28 18:00:24,348 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 48 transitions, 240 flow [2021-04-28 18:00:24,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:00:24,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:00:24,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:00:24,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:00:24,350 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:00:24,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:00:24,350 INFO L82 PathProgramCache]: Analyzing trace with hash 163141636, now seen corresponding path program 1 times [2021-04-28 18:00:24,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:00:24,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195662769] [2021-04-28 18:00:24,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:00:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:00:24,410 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:00:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:00:24,453 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:00:24,491 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:00:24,491 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:00:24,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:00:24,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:00:24 BasicIcfg [2021-04-28 18:00:24,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:00:24,649 INFO L168 Benchmark]: Toolchain (without parser) took 87348.79 ms. Allocated memory was 304.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 277.4 MB in the beginning and 620.5 MB in the end (delta: -343.1 MB). Peak memory consumption was 839.2 MB. Max. memory is 16.0 GB. [2021-04-28 18:00:24,650 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 304.1 MB. Free memory was 273.9 MB in the beginning and 273.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:00:24,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.29 ms. Allocated memory is still 304.1 MB. Free memory was 274.3 MB in the beginning and 267.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-04-28 18:00:24,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 304.1 MB. Free memory was 267.2 MB in the beginning and 265.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:00:24,652 INFO L168 Benchmark]: Boogie Preprocessor took 52.05 ms. Allocated memory is still 304.1 MB. Free memory was 265.0 MB in the beginning and 262.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:00:24,653 INFO L168 Benchmark]: RCFGBuilder took 2316.75 ms. Allocated memory was 304.1 MB in the beginning and 364.9 MB in the end (delta: 60.8 MB). Free memory was 262.6 MB in the beginning and 222.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. [2021-04-28 18:00:24,653 INFO L168 Benchmark]: TraceAbstraction took 84143.77 ms. Allocated memory was 364.9 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 222.3 MB in the beginning and 620.5 MB in the end (delta: -398.2 MB). Peak memory consumption was 721.7 MB. Max. memory is 16.0 GB. [2021-04-28 18:00:24,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 304.1 MB. Free memory was 273.9 MB in the beginning and 273.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 733.29 ms. Allocated memory is still 304.1 MB. Free memory was 274.3 MB in the beginning and 267.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 304.1 MB. Free memory was 267.2 MB in the beginning and 265.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 52.05 ms. Allocated memory is still 304.1 MB. Free memory was 265.0 MB in the beginning and 262.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2316.75 ms. Allocated memory was 304.1 MB in the beginning and 364.9 MB in the end (delta: 60.8 MB). Free memory was 262.6 MB in the beginning and 222.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 84143.77 ms. Allocated memory was 364.9 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 222.3 MB in the beginning and 620.5 MB in the end (delta: -398.2 MB). Peak memory consumption was 721.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43197.7ms, 105 PlacesBefore, 135 PlacesAfterwards, 97 TransitionsBefore, 126 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 9 FixpointIterations, 174 TrivialSequentialCompositions, 90 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 266 TotalNumberOfCompositions, 16683 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4906, positive: 4614, positive conditional: 4614, positive unconditional: 0, negative: 292, negative conditional: 292, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2030, positive: 1971, positive conditional: 0, positive unconditional: 1971, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2030, positive: 1971, positive conditional: 0, positive unconditional: 1971, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2030, positive: 1961, positive conditional: 0, positive unconditional: 1961, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 838, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 804, negative conditional: 0, negative unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4906, positive: 2643, positive conditional: 2643, positive unconditional: 0, negative: 233, negative conditional: 233, negative unconditional: 0, unknown: 2030, unknown conditional: 2030, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2030, Positive cache size: 1971, Positive conditional cache size: 1971, Positive unconditional cache size: 0, Negative cache size: 59, Negative conditional cache size: 59, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 320.8ms, 131 PlacesBefore, 74 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1932 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 465, positive: 391, positive conditional: 391, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 28, positive conditional: 2, positive unconditional: 26, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 51, positive: 28, positive conditional: 2, positive unconditional: 26, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 291, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 291, negative conditional: 63, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 465, positive: 363, positive conditional: 363, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2081, Positive cache size: 1999, Positive conditional cache size: 1999, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.5ms, 75 PlacesBefore, 54 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 644 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 152, positive conditional: 152, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 17, positive conditional: 4, positive unconditional: 13, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 17, positive conditional: 4, positive unconditional: 13, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 136, negative conditional: 57, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2103, Positive cache size: 2016, Positive conditional cache size: 2016, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.2ms, 56 PlacesBefore, 56 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 642 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 143, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 118, negative conditional: 118, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2107, Positive cache size: 2018, Positive conditional cache size: 2018, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1537.2ms, 61 PlacesBefore, 61 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1281 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 653, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97, positive: 97, positive conditional: 55, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 97, positive: 97, positive conditional: 55, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 653, positive: 532, positive conditional: 532, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 97, unknown conditional: 97, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2204, Positive cache size: 2115, Positive conditional cache size: 2115, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1269.7ms, 70 PlacesBefore, 70 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 1902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2487 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 948, positive: 912, positive conditional: 912, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, positive: 119, positive conditional: 95, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, positive: 119, positive conditional: 95, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 948, positive: 793, positive conditional: 793, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 122, unknown conditional: 122, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2326, Positive cache size: 2234, Positive conditional cache size: 2234, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3776.0ms, 73 PlacesBefore, 73 PlacesAfterwards, 109 TransitionsBefore, 109 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2630 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 643, positive: 606, positive conditional: 606, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 33, positive conditional: 30, positive unconditional: 3, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 33, positive conditional: 30, positive unconditional: 3, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 195, negative conditional: 195, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 643, positive: 573, positive conditional: 573, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2363, Positive cache size: 2267, Positive conditional cache size: 2267, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9148.4ms, 79 PlacesBefore, 80 PlacesAfterwards, 109 TransitionsBefore, 110 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5289 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1536, positive: 1462, positive conditional: 1462, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 41, positive conditional: 34, positive unconditional: 7, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 41, positive conditional: 34, positive unconditional: 7, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1536, positive: 1421, positive conditional: 1421, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2405, Positive cache size: 2308, Positive conditional cache size: 2308, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6572.7ms, 86 PlacesBefore, 78 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3951 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1651, positive: 1589, positive conditional: 1589, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, positive: 137, positive conditional: 124, positive unconditional: 13, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 139, positive: 137, positive conditional: 124, positive unconditional: 13, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 139, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1651, positive: 1452, positive conditional: 1452, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 139, unknown conditional: 139, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2544, Positive cache size: 2445, Positive conditional cache size: 2445, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.7ms, 75 PlacesBefore, 57 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 761 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 473, positive: 437, positive conditional: 437, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 27, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 27, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 473, positive: 398, positive conditional: 398, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2583, Positive cache size: 2484, Positive conditional cache size: 2484, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L723] 0 _Bool x$flush_delayed; [L724] 0 int x$mem_tmp; [L725] 0 _Bool x$r_buff0_thd0; [L726] 0 _Bool x$r_buff0_thd1; [L727] 0 _Bool x$r_buff0_thd2; [L728] 0 _Bool x$r_buff0_thd3; [L729] 0 _Bool x$r_buff1_thd0; [L730] 0 _Bool x$r_buff1_thd1; [L731] 0 _Bool x$r_buff1_thd2; [L732] 0 _Bool x$r_buff1_thd3; [L733] 0 _Bool x$read_delayed; [L734] 0 int *x$read_delayed_var; [L735] 0 int x$w_buff0; [L736] 0 _Bool x$w_buff0_used; [L737] 0 int x$w_buff1; [L738] 0 _Bool x$w_buff1_used; [L740] 0 int y = 0; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L836] 0 pthread_t t412; [L837] FCALL, FORK 0 pthread_create(&t412, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L838] 0 pthread_t t413; [L839] FCALL, FORK 0 pthread_create(&t413, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L776] 2 x$w_buff1 = x$w_buff0 [L777] 2 x$w_buff0 = 1 [L778] 2 x$w_buff1_used = x$w_buff0_used [L779] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L781] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L782] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L783] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L784] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L785] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L788] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L840] 0 pthread_t t414; [L841] FCALL, FORK 0 pthread_create(&t414, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L805] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L808] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L811] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L748] 1 z = 1 [L751] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L752] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L753] 1 x$flush_delayed = weak$$choice2 [L754] 1 x$mem_tmp = x [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L758] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L758] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L758] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L758] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L760] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L760] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L760] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 __unbuffered_p0_EAX = x [L763] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L763] 1 x = x$flush_delayed ? x$mem_tmp : x [L764] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L814] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L814] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L815] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L816] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L816] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L817] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L818] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L818] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L847] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L847] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L847] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L847] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L848] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L848] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L849] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L849] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L850] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L850] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L851] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L851] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L854] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 83833.6ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 15725.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43313.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 78 SDtfs, 105 SDslu, 33 SDs, 0 SdLazy, 378 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 602.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 222.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=8, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 46.3ms SsaConstructionTime, 453.7ms SatisfiabilityAnalysisTime, 703.3ms InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...