/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/mix017_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:02:06,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:02:06,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:02:06,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:02:06,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:02:06,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:02:06,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:02:06,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:02:06,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:02:06,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:02:06,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:02:06,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:02:06,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:02:06,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:02:06,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:02:06,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:02:06,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:02:06,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:02:06,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:02:06,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:02:06,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:02:06,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:02:06,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:02:06,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:02:06,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 18:02:06,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 18:02:06,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 18:02:06,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 18:02:06,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 18:02:06,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 18:02:06,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:02:06,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:02:06,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:02:06,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:02:06,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:02:06,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:02:06,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:02:06,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:02:06,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:02:06,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:02:06,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:02:06,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:02:06,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:02:06,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:02:06,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:02:06,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:02:06,440 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:02:06,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:02:06,440 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:02:06,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:02:06,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:02:06,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:02:06,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:02:06,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:02:06,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:02:06,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:02:06,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:02:06,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:02:06,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:02:06,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:02:06,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:02:06,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:02:06,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:02:06,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:02:06,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:02:06,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:02:06,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:02:06,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:02:06,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:02:06,448 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:02:06,448 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:02:06,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:02:06,449 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:02:06,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:02:06,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:02:06,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:02:06,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:02:06,852 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:02:06,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_power.oepc.i [2021-04-28 18:02:06,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08e6ee29/020a5fc8a00340acab90833ca71e7612/FLAGba5068e7e [2021-04-28 18:02:07,710 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:02:07,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.oepc.i [2021-04-28 18:02:07,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08e6ee29/020a5fc8a00340acab90833ca71e7612/FLAGba5068e7e [2021-04-28 18:02:08,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08e6ee29/020a5fc8a00340acab90833ca71e7612 [2021-04-28 18:02:08,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:02:08,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:02:08,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:02:08,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:02:08,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:02:08,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:08,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d143f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08, skipping insertion in model container [2021-04-28 18:02:08,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:08,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:02:08,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:02:08,422 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/mix017_power.oepc.i[951,964] [2021-04-28 18:02:08,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:02:08,685 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:02:08,700 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/mix017_power.oepc.i[951,964] [2021-04-28 18:02:08,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:02:08,923 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:02:08,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08 WrapperNode [2021-04-28 18:02:08,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:02:08,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:02:08,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:02:08,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:02:08,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:08,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:02:09,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:02:09,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:02:09,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:02:09,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... [2021-04-28 18:02:09,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:02:09,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:02:09,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:02:09,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:02:09,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:02:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:02:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:02:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:02:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:02:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:02:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:02:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:02:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:02:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:02:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:02:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:02:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:02:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:02:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:02:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:02:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:02:09,214 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:02:11,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:02:11,761 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:02:11,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:02:11 BoogieIcfgContainer [2021-04-28 18:02:11,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:02:11,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:02:11,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:02:11,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:02:11,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:02:08" (1/3) ... [2021-04-28 18:02:11,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a560b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:02:11, skipping insertion in model container [2021-04-28 18:02:11,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:02:08" (2/3) ... [2021-04-28 18:02:11,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a560b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:02:11, skipping insertion in model container [2021-04-28 18:02:11,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:02:11" (3/3) ... [2021-04-28 18:02:11,771 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_power.oepc.i [2021-04-28 18:02:11,779 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:02:11,784 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:02:11,785 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:02:11,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,837 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,841 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,841 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,842 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,842 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,862 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,863 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:02:11,880 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:02:11,902 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:02:11,926 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:02:11,927 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:02:11,927 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:02:11,927 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:02:11,927 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:02:11,927 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:02:11,927 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:02:11,927 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:02:11,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 18:02:11,992 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 18:02:11,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:02:11,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:02:11,998 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 18:02:12,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-04-28 18:02:12,007 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:02:12,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 18:02:12,026 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 18:02:12,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-04-28 18:02:12,057 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 18:02:12,057 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:02:12,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:02:12,063 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 18:02:15,906 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:02:16,018 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:02:16,605 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:02:16,831 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:02:27,218 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-04-28 18:02:33,486 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:02:33,589 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:02:33,794 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:02:33,910 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:02:34,030 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:02:34,148 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:02:34,266 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:02:34,783 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:35,505 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:02:35,615 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:02:35,723 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:02:35,831 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:02:35,948 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:02:36,061 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:02:36,174 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:02:36,289 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:02:37,303 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:02:37,544 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:02:37,655 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:02:37,827 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 18:02:38,000 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 18:02:38,171 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 18:02:38,341 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 18:02:38,628 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:38,732 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:38,879 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:02:39,025 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:02:39,169 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:02:39,313 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:02:39,418 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:39,522 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:39,626 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:39,730 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:40,454 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:40,558 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:40,662 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:40,766 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:40,871 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:40,975 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:41,079 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:41,183 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:41,287 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:41,393 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:41,497 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:41,600 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:02:42,136 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:02:42,294 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:02:42,455 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:02:42,619 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:02:42,801 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:02:42,984 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:02:43,171 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:02:43,392 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:02:43,558 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:43,737 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:43,906 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:44,069 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:44,203 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:02:44,340 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:02:44,473 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:02:44,605 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:02:44,749 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:44,894 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:45,039 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:45,186 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:45,371 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:02:45,549 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:02:45,728 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:02:45,906 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:02:46,053 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:46,196 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:46,372 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:46,512 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:46,680 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:46,847 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:47,022 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:47,195 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:02:47,343 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:02:47,493 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:02:47,648 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:02:47,802 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:02:47,966 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:48,127 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:48,287 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:48,448 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:48,579 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:02:48,717 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:02:48,847 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:02:48,974 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:02:49,120 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:49,269 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:49,414 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:49,583 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:49,776 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:02:49,966 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:02:50,158 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:02:50,347 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:02:50,523 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:50,706 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:50,880 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:51,048 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:02:51,170 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:02:51,293 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:02:51,422 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:02:51,551 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:02:51,767 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:51,984 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:52,199 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:52,415 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:52,620 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:02:52,819 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:02:53,032 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:02:53,241 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:02:53,455 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:53,673 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:53,893 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:54,111 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:54,322 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:54,539 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:54,744 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:54,953 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:55,101 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:55,251 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:55,400 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:55,549 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:02:56,101 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 18:02:56,364 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 18:02:56,910 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 18:02:57,164 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 18:02:57,385 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:02:57,591 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:02:57,793 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:02:57,992 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:02:58,204 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:58,418 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:58,629 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:58,840 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:59,061 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:59,279 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:59,494 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:59,713 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 18:02:59,920 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:03:00,124 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:03:00,321 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:03:00,509 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:03:00,638 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:03:00,765 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:03:00,894 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:03:01,040 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:03:01,558 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 18:03:01,805 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 18:03:02,334 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 18:03:02,577 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 18:03:02,646 INFO L158 LiptonReduction]: Checked pairs total: 28331 [2021-04-28 18:03:02,646 INFO L160 LiptonReduction]: Total number of compositions: 290 [2021-04-28 18:03:02,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50647 [2021-04-28 18:03:02,674 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-04-28 18:03:02,674 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:03:02,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:02,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:03:02,675 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:02,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:02,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1397910, now seen corresponding path program 1 times [2021-04-28 18:03:02,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:02,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396380580] [2021-04-28 18:03:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:02,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:02,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:02,925 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 18:03:02,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396380580] [2021-04-28 18:03:02,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:02,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:03:02,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941745931] [2021-04-28 18:03:02,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:03:02,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:02,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:03:02,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:03:02,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 409 [2021-04-28 18:03:02,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 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 18:03:02,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:02,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 409 [2021-04-28 18:03:02,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:03,231 INFO L129 PetriNetUnfolder]: 133/837 cut-off events. [2021-04-28 18:03:03,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:03:03,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 837 events. 133/837 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7507 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 987. Up to 153 conditions per place. [2021-04-28 18:03:03,243 INFO L132 encePairwiseOnDemand]: 386/409 looper letters, 11 selfloop transitions, 2 changer transitions 60/144 dead transitions. [2021-04-28 18:03:03,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 144 transitions, 360 flow [2021-04-28 18:03:03,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:03:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:03:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2021-04-28 18:03:03,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7832110839445803 [2021-04-28 18:03:03,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2021-04-28 18:03:03,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2021-04-28 18:03:03,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:03,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2021-04-28 18:03:03,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 18:03:03,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 18:03:03,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 18:03:03,290 INFO L185 Difference]: Start difference. First operand has 155 places, 143 transitions, 298 flow. Second operand 3 states and 961 transitions. [2021-04-28 18:03:03,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 144 transitions, 360 flow [2021-04-28 18:03:03,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:03:03,299 INFO L241 Difference]: Finished difference. Result has 150 places, 79 transitions, 170 flow [2021-04-28 18:03:03,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=150, PETRI_TRANSITIONS=79} [2021-04-28 18:03:03,302 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 18:03:03,302 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:03,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 79 transitions, 170 flow [2021-04-28 18:03:03,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 79 transitions, 170 flow [2021-04-28 18:03:03,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 79 transitions, 170 flow [2021-04-28 18:03:03,314 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-04-28 18:03:03,314 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:03:03,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 368 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:03:03,317 INFO L146 LiptonReduction]: Number of co-enabled transitions 3142 [2021-04-28 18:03:03,605 INFO L158 LiptonReduction]: Checked pairs total: 4212 [2021-04-28 18:03:03,605 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:03:03,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303 [2021-04-28 18:03:03,607 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 170 flow [2021-04-28 18:03:03,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 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 18:03:03,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:03,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:03,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:03:03,609 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:03,610 INFO L82 PathProgramCache]: Analyzing trace with hash -2078347890, now seen corresponding path program 1 times [2021-04-28 18:03:03,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:03,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272124330] [2021-04-28 18:03:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:03,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:03,773 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 18:03:03,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272124330] [2021-04-28 18:03:03,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:03,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:03:03,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565242593] [2021-04-28 18:03:03,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:03:03,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:03,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:03:03,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:03:03,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 409 [2021-04-28 18:03:03,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 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 18:03:03,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:03,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 409 [2021-04-28 18:03:03,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:03,914 INFO L129 PetriNetUnfolder]: 24/127 cut-off events. [2021-04-28 18:03:03,914 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:03:03,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 127 events. 24/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 697 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 208. Up to 53 conditions per place. [2021-04-28 18:03:03,916 INFO L132 encePairwiseOnDemand]: 404/409 looper letters, 1 selfloop transitions, 2 changer transitions 64/103 dead transitions. [2021-04-28 18:03:03,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 103 transitions, 324 flow [2021-04-28 18:03:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:03:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:03:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 887 transitions. [2021-04-28 18:03:03,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7229013854930725 [2021-04-28 18:03:03,920 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 887 transitions. [2021-04-28 18:03:03,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 887 transitions. [2021-04-28 18:03:03,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:03,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 887 transitions. [2021-04-28 18:03:03,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 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 18:03:03,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 18:03:03,928 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 18:03:03,928 INFO L185 Difference]: Start difference. First operand has 90 places, 79 transitions, 170 flow. Second operand 3 states and 887 transitions. [2021-04-28 18:03:03,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 103 transitions, 324 flow [2021-04-28 18:03:03,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 103 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:03:03,931 INFO L241 Difference]: Finished difference. Result has 91 places, 39 transitions, 94 flow [2021-04-28 18:03:03,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=91, PETRI_TRANSITIONS=39} [2021-04-28 18:03:03,932 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -64 predicate places. [2021-04-28 18:03:03,932 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:03,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 39 transitions, 94 flow [2021-04-28 18:03:03,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 39 transitions, 94 flow [2021-04-28 18:03:03,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 39 transitions, 94 flow [2021-04-28 18:03:03,939 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-28 18:03:03,940 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:03:03,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 103 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:03:03,941 INFO L146 LiptonReduction]: Number of co-enabled transitions 920 [2021-04-28 18:03:04,424 INFO L158 LiptonReduction]: Checked pairs total: 2278 [2021-04-28 18:03:04,424 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:03:04,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-04-28 18:03:04,427 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 39 transitions, 94 flow [2021-04-28 18:03:04,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 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 18:03:04,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:04,428 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:04,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:03:04,428 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:04,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:04,429 INFO L82 PathProgramCache]: Analyzing trace with hash -190108176, now seen corresponding path program 1 times [2021-04-28 18:03:04,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:04,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463700672] [2021-04-28 18:03:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:04,598 INFO L142 QuantifierPusher]: treesize reduction 19, result has 32.1 percent of original size [2021-04-28 18:03:04,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 18:03:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:04,605 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 18:03:04,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463700672] [2021-04-28 18:03:04,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:04,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:03:04,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152586938] [2021-04-28 18:03:04,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:03:04,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:04,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:03:04,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:03:04,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 18:03:04,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 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 18:03:04,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:04,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 18:03:04,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:05,124 INFO L129 PetriNetUnfolder]: 2538/3838 cut-off events. [2021-04-28 18:03:05,124 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:03:05,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7668 conditions, 3838 events. 2538/3838 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 24960 event pairs, 1566 based on Foata normal form. 256/2042 useless extension candidates. Maximal degree in co-relation 7658. Up to 2791 conditions per place. [2021-04-28 18:03:05,159 INFO L132 encePairwiseOnDemand]: 395/410 looper letters, 14 selfloop transitions, 13 changer transitions 25/76 dead transitions. [2021-04-28 18:03:05,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 76 transitions, 272 flow [2021-04-28 18:03:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:03:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:03:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1624 transitions. [2021-04-28 18:03:05,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7921951219512195 [2021-04-28 18:03:05,165 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1624 transitions. [2021-04-28 18:03:05,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1624 transitions. [2021-04-28 18:03:05,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:05,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1624 transitions. [2021-04-28 18:03:05,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 324.8) internal successors, (1624), 5 states have internal predecessors, (1624), 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 18:03:05,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 410.0) internal successors, (2460), 6 states have internal predecessors, (2460), 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 18:03:05,179 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 410.0) internal successors, (2460), 6 states have internal predecessors, (2460), 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 18:03:05,179 INFO L185 Difference]: Start difference. First operand has 51 places, 39 transitions, 94 flow. Second operand 5 states and 1624 transitions. [2021-04-28 18:03:05,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 76 transitions, 272 flow [2021-04-28 18:03:05,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:03:05,182 INFO L241 Difference]: Finished difference. Result has 56 places, 51 transitions, 207 flow [2021-04-28 18:03:05,182 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=207, PETRI_PLACES=56, PETRI_TRANSITIONS=51} [2021-04-28 18:03:05,183 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -99 predicate places. [2021-04-28 18:03:05,183 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:05,183 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 51 transitions, 207 flow [2021-04-28 18:03:05,183 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 51 transitions, 207 flow [2021-04-28 18:03:05,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions, 207 flow [2021-04-28 18:03:05,516 INFO L129 PetriNetUnfolder]: 2025/2877 cut-off events. [2021-04-28 18:03:05,516 INFO L130 PetriNetUnfolder]: For 531/531 co-relation queries the response was YES. [2021-04-28 18:03:05,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8281 conditions, 2877 events. 2025/2877 cut-off events. For 531/531 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 15901 event pairs, 1296 based on Foata normal form. 0/1333 useless extension candidates. Maximal degree in co-relation 8270. Up to 2536 conditions per place. [2021-04-28 18:03:05,563 INFO L146 LiptonReduction]: Number of co-enabled transitions 1112 [2021-04-28 18:03:05,831 INFO L158 LiptonReduction]: Checked pairs total: 1374 [2021-04-28 18:03:05,831 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:03:05,831 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 648 [2021-04-28 18:03:05,833 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 51 transitions, 207 flow [2021-04-28 18:03:05,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 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 18:03:05,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:05,834 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:05,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:03:05,835 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:05,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:05,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1039049212, now seen corresponding path program 1 times [2021-04-28 18:03:05,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:05,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485268519] [2021-04-28 18:03:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:06,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:06,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:06,021 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:03:06,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:03:06,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:06,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:06,031 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 18:03:06,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485268519] [2021-04-28 18:03:06,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:06,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:03:06,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509278510] [2021-04-28 18:03:06,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:03:06,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:06,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:03:06,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:03:06,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 18:03:06,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 207 flow. Second operand has 5 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 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 18:03:06,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:06,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 18:03:06,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:06,526 INFO L129 PetriNetUnfolder]: 2322/3585 cut-off events. [2021-04-28 18:03:06,526 INFO L130 PetriNetUnfolder]: For 1048/1201 co-relation queries the response was YES. [2021-04-28 18:03:06,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13545 conditions, 3585 events. 2322/3585 cut-off events. For 1048/1201 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 23375 event pairs, 702 based on Foata normal form. 262/1946 useless extension candidates. Maximal degree in co-relation 13532. Up to 3076 conditions per place. [2021-04-28 18:03:06,564 INFO L132 encePairwiseOnDemand]: 395/410 looper letters, 14 selfloop transitions, 25 changer transitions 25/88 dead transitions. [2021-04-28 18:03:06,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 88 transitions, 555 flow [2021-04-28 18:03:06,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:03:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:03:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1950 transitions. [2021-04-28 18:03:06,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7926829268292683 [2021-04-28 18:03:06,571 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1950 transitions. [2021-04-28 18:03:06,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1950 transitions. [2021-04-28 18:03:06,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:06,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1950 transitions. [2021-04-28 18:03:06,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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 18:03:06,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 410.0) internal successors, (2870), 7 states have internal predecessors, (2870), 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 18:03:06,587 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 410.0) internal successors, (2870), 7 states have internal predecessors, (2870), 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 18:03:06,587 INFO L185 Difference]: Start difference. First operand has 54 places, 51 transitions, 207 flow. Second operand 6 states and 1950 transitions. [2021-04-28 18:03:06,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 88 transitions, 555 flow [2021-04-28 18:03:06,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 88 transitions, 540 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 18:03:06,660 INFO L241 Difference]: Finished difference. Result has 60 places, 63 transitions, 392 flow [2021-04-28 18:03:06,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=60, PETRI_TRANSITIONS=63} [2021-04-28 18:03:06,660 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -95 predicate places. [2021-04-28 18:03:06,660 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:06,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 63 transitions, 392 flow [2021-04-28 18:03:06,661 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 63 transitions, 392 flow [2021-04-28 18:03:06,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 63 transitions, 392 flow [2021-04-28 18:03:07,024 INFO L129 PetriNetUnfolder]: 1809/2817 cut-off events. [2021-04-28 18:03:07,024 INFO L130 PetriNetUnfolder]: For 2253/2385 co-relation queries the response was YES. [2021-04-28 18:03:07,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12526 conditions, 2817 events. 1809/2817 cut-off events. For 2253/2385 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 18652 event pairs, 621 based on Foata normal form. 4/1426 useless extension candidates. Maximal degree in co-relation 12512. Up to 2308 conditions per place. [2021-04-28 18:03:07,065 INFO L146 LiptonReduction]: Number of co-enabled transitions 1436 [2021-04-28 18:03:07,150 INFO L158 LiptonReduction]: Checked pairs total: 2256 [2021-04-28 18:03:07,151 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:03:07,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-04-28 18:03:07,152 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 63 transitions, 392 flow [2021-04-28 18:03:07,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 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 18:03:07,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:07,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:07,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:03:07,155 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:07,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:07,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1679204273, now seen corresponding path program 1 times [2021-04-28 18:03:07,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:07,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360121424] [2021-04-28 18:03:07,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:07,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:07,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:07,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-04-28 18:03:07,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 18:03:07,311 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-04-28 18:03:07,315 INFO L147 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31 [2021-04-28 18:03:07,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:07,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:03:07,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360121424] [2021-04-28 18:03:07,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:07,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:03:07,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213152175] [2021-04-28 18:03:07,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:03:07,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:07,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:03:07,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:03:07,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 410 [2021-04-28 18:03:07,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 63 transitions, 392 flow. Second operand has 5 states, 5 states have (on average 224.4) internal successors, (1122), 5 states have internal predecessors, (1122), 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 18:03:07,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:07,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 410 [2021-04-28 18:03:07,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:09,706 INFO L129 PetriNetUnfolder]: 9762/15268 cut-off events. [2021-04-28 18:03:09,706 INFO L130 PetriNetUnfolder]: For 16731/62706 co-relation queries the response was YES. [2021-04-28 18:03:09,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67176 conditions, 15268 events. 9762/15268 cut-off events. For 16731/62706 co-relation queries the response was YES. Maximal size of possible extension queue 2109. Compared 120467 event pairs, 2997 based on Foata normal form. 437/8330 useless extension candidates. Maximal degree in co-relation 67160. Up to 11593 conditions per place. [2021-04-28 18:03:09,917 INFO L132 encePairwiseOnDemand]: 402/410 looper letters, 13 selfloop transitions, 15 changer transitions 2/84 dead transitions. [2021-04-28 18:03:09,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 84 transitions, 522 flow [2021-04-28 18:03:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:03:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:03:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1370 transitions. [2021-04-28 18:03:09,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.556910569105691 [2021-04-28 18:03:09,924 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1370 transitions. [2021-04-28 18:03:09,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1370 transitions. [2021-04-28 18:03:09,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:09,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1370 transitions. [2021-04-28 18:03:09,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 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 18:03:09,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 410.0) internal successors, (2870), 7 states have internal predecessors, (2870), 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 18:03:09,937 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 410.0) internal successors, (2870), 7 states have internal predecessors, (2870), 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 18:03:09,937 INFO L185 Difference]: Start difference. First operand has 58 places, 63 transitions, 392 flow. Second operand 6 states and 1370 transitions. [2021-04-28 18:03:09,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 84 transitions, 522 flow [2021-04-28 18:03:11,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 84 transitions, 404 flow, removed 46 selfloop flow, removed 4 redundant places. [2021-04-28 18:03:11,552 INFO L241 Difference]: Finished difference. Result has 62 places, 80 transitions, 394 flow [2021-04-28 18:03:11,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=394, PETRI_PLACES=62, PETRI_TRANSITIONS=80} [2021-04-28 18:03:11,552 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -93 predicate places. [2021-04-28 18:03:11,553 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:11,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 80 transitions, 394 flow [2021-04-28 18:03:11,553 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 80 transitions, 394 flow [2021-04-28 18:03:11,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 80 transitions, 394 flow [2021-04-28 18:03:13,026 INFO L129 PetriNetUnfolder]: 8740/13490 cut-off events. [2021-04-28 18:03:13,026 INFO L130 PetriNetUnfolder]: For 14184/33592 co-relation queries the response was YES. [2021-04-28 18:03:13,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47503 conditions, 13490 events. 8740/13490 cut-off events. For 14184/33592 co-relation queries the response was YES. Maximal size of possible extension queue 1845. Compared 105442 event pairs, 2288 based on Foata normal form. 24/6328 useless extension candidates. Maximal degree in co-relation 47489. Up to 10828 conditions per place. [2021-04-28 18:03:13,233 INFO L146 LiptonReduction]: Number of co-enabled transitions 2310 [2021-04-28 18:03:15,697 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 269 DAG size of output: 210 [2021-04-28 18:03:16,409 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-04-28 18:03:19,867 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-04-28 18:03:21,265 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 305 [2021-04-28 18:03:21,612 INFO L158 LiptonReduction]: Checked pairs total: 1990 [2021-04-28 18:03:21,612 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:03:21,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10060 [2021-04-28 18:03:21,614 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 81 transitions, 400 flow [2021-04-28 18:03:21,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 224.4) internal successors, (1122), 5 states have internal predecessors, (1122), 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 18:03:21,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:21,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:21,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:03:21,615 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:21,616 INFO L82 PathProgramCache]: Analyzing trace with hash -822324175, now seen corresponding path program 2 times [2021-04-28 18:03:21,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:21,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122449961] [2021-04-28 18:03:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:21,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:21,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:21,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:21,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:21,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:21,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:21,740 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:03:21,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:03:21,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:21,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:21,751 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 18:03:21,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122449961] [2021-04-28 18:03:21,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:21,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:03:21,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611193974] [2021-04-28 18:03:21,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:03:21,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:21,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:03:21,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:03:21,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 411 [2021-04-28 18:03:21,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 81 transitions, 400 flow. Second operand has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 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 18:03:21,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:21,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 411 [2021-04-28 18:03:21,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:22,975 INFO L129 PetriNetUnfolder]: 6164/10684 cut-off events. [2021-04-28 18:03:22,976 INFO L130 PetriNetUnfolder]: For 8601/43770 co-relation queries the response was YES. [2021-04-28 18:03:23,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47896 conditions, 10684 events. 6164/10684 cut-off events. For 8601/43770 co-relation queries the response was YES. Maximal size of possible extension queue 1755. Compared 93062 event pairs, 459 based on Foata normal form. 1368/6247 useless extension candidates. Maximal degree in co-relation 47880. Up to 9235 conditions per place. [2021-04-28 18:03:23,057 INFO L132 encePairwiseOnDemand]: 396/411 looper letters, 16 selfloop transitions, 50 changer transitions 12/118 dead transitions. [2021-04-28 18:03:23,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 118 transitions, 850 flow [2021-04-28 18:03:23,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:03:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:03:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2283 transitions. [2021-04-28 18:03:23,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7935349322210636 [2021-04-28 18:03:23,065 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2283 transitions. [2021-04-28 18:03:23,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2283 transitions. [2021-04-28 18:03:23,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:23,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2283 transitions. [2021-04-28 18:03:23,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 326.14285714285717) internal successors, (2283), 7 states have internal predecessors, (2283), 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 18:03:23,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 411.0) internal successors, (3288), 8 states have internal predecessors, (3288), 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 18:03:23,080 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 411.0) internal successors, (3288), 8 states have internal predecessors, (3288), 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 18:03:23,080 INFO L185 Difference]: Start difference. First operand has 63 places, 81 transitions, 400 flow. Second operand 7 states and 2283 transitions. [2021-04-28 18:03:23,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 118 transitions, 850 flow [2021-04-28 18:03:23,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 118 transitions, 846 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-04-28 18:03:23,175 INFO L241 Difference]: Finished difference. Result has 72 places, 106 transitions, 782 flow [2021-04-28 18:03:23,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=782, PETRI_PLACES=72, PETRI_TRANSITIONS=106} [2021-04-28 18:03:23,176 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -83 predicate places. [2021-04-28 18:03:23,176 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:23,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 106 transitions, 782 flow [2021-04-28 18:03:23,177 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 106 transitions, 782 flow [2021-04-28 18:03:23,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 106 transitions, 782 flow [2021-04-28 18:03:24,048 INFO L129 PetriNetUnfolder]: 6366/10745 cut-off events. [2021-04-28 18:03:24,048 INFO L130 PetriNetUnfolder]: For 27801/69916 co-relation queries the response was YES. [2021-04-28 18:03:24,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52827 conditions, 10745 events. 6366/10745 cut-off events. For 27801/69916 co-relation queries the response was YES. Maximal size of possible extension queue 1626. Compared 91239 event pairs, 405 based on Foata normal form. 12/4828 useless extension candidates. Maximal degree in co-relation 52808. Up to 9262 conditions per place. [2021-04-28 18:03:24,194 INFO L146 LiptonReduction]: Number of co-enabled transitions 2868 [2021-04-28 18:03:24,244 INFO L158 LiptonReduction]: Checked pairs total: 1141 [2021-04-28 18:03:24,244 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:03:24,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1068 [2021-04-28 18:03:24,246 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 106 transitions, 782 flow [2021-04-28 18:03:24,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 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 18:03:24,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:24,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:24,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:03:24,247 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:24,248 INFO L82 PathProgramCache]: Analyzing trace with hash -820712069, now seen corresponding path program 1 times [2021-04-28 18:03:24,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:24,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526116239] [2021-04-28 18:03:24,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:24,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:24,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:24,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:24,353 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 18:03:24,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526116239] [2021-04-28 18:03:24,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:24,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:03:24,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740635000] [2021-04-28 18:03:24,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:03:24,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:24,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:03:24,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:03:24,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 411 [2021-04-28 18:03:24,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 106 transitions, 782 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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 18:03:24,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:24,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 411 [2021-04-28 18:03:24,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:25,968 INFO L129 PetriNetUnfolder]: 9073/16417 cut-off events. [2021-04-28 18:03:25,968 INFO L130 PetriNetUnfolder]: For 33102/78450 co-relation queries the response was YES. [2021-04-28 18:03:26,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80298 conditions, 16417 events. 9073/16417 cut-off events. For 33102/78450 co-relation queries the response was YES. Maximal size of possible extension queue 2691. Compared 159160 event pairs, 763 based on Foata normal form. 250/7843 useless extension candidates. Maximal degree in co-relation 80277. Up to 14086 conditions per place. [2021-04-28 18:03:26,099 INFO L132 encePairwiseOnDemand]: 408/411 looper letters, 4 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2021-04-28 18:03:26,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 108 transitions, 800 flow [2021-04-28 18:03:26,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:03:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:03:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 999 transitions. [2021-04-28 18:03:26,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6076642335766423 [2021-04-28 18:03:26,104 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 999 transitions. [2021-04-28 18:03:26,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 999 transitions. [2021-04-28 18:03:26,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:26,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 999 transitions. [2021-04-28 18:03:26,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 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 18:03:26,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 411.0) internal successors, (2055), 5 states have internal predecessors, (2055), 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 18:03:26,112 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 411.0) internal successors, (2055), 5 states have internal predecessors, (2055), 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 18:03:26,112 INFO L185 Difference]: Start difference. First operand has 72 places, 106 transitions, 782 flow. Second operand 4 states and 999 transitions. [2021-04-28 18:03:26,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 108 transitions, 800 flow [2021-04-28 18:03:29,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 108 transitions, 606 flow, removed 75 selfloop flow, removed 4 redundant places. [2021-04-28 18:03:29,325 INFO L241 Difference]: Finished difference. Result has 73 places, 107 transitions, 601 flow [2021-04-28 18:03:29,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=601, PETRI_PLACES=73, PETRI_TRANSITIONS=107} [2021-04-28 18:03:29,326 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -82 predicate places. [2021-04-28 18:03:29,326 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:29,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 107 transitions, 601 flow [2021-04-28 18:03:29,326 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 107 transitions, 601 flow [2021-04-28 18:03:29,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 107 transitions, 601 flow [2021-04-28 18:03:30,633 INFO L129 PetriNetUnfolder]: 11252/18764 cut-off events. [2021-04-28 18:03:30,633 INFO L130 PetriNetUnfolder]: For 23855/27698 co-relation queries the response was YES. [2021-04-28 18:03:30,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69326 conditions, 18764 events. 11252/18764 cut-off events. For 23855/27698 co-relation queries the response was YES. Maximal size of possible extension queue 2733. Compared 173833 event pairs, 714 based on Foata normal form. 13/8444 useless extension candidates. Maximal degree in co-relation 69307. Up to 8587 conditions per place. [2021-04-28 18:03:30,842 INFO L146 LiptonReduction]: Number of co-enabled transitions 2918 [2021-04-28 18:03:31,090 INFO L158 LiptonReduction]: Checked pairs total: 890 [2021-04-28 18:03:31,090 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:03:31,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1764 [2021-04-28 18:03:31,092 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 107 transitions, 601 flow [2021-04-28 18:03:31,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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 18:03:31,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:31,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:31,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:03:31,093 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:31,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:31,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1505612473, now seen corresponding path program 1 times [2021-04-28 18:03:31,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:31,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806940310] [2021-04-28 18:03:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:31,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:31,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:31,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:31,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:31,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:31,257 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:03:31,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:03:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:31,269 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 18:03:31,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806940310] [2021-04-28 18:03:31,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:31,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 18:03:31,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695640525] [2021-04-28 18:03:31,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:03:31,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:31,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:03:31,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:03:31,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 411 [2021-04-28 18:03:31,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 107 transitions, 601 flow. Second operand has 7 states, 7 states have (on average 315.85714285714283) internal successors, (2211), 7 states have internal predecessors, (2211), 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 18:03:31,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:31,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 411 [2021-04-28 18:03:31,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:32,722 INFO L129 PetriNetUnfolder]: 7480/14014 cut-off events. [2021-04-28 18:03:32,722 INFO L130 PetriNetUnfolder]: For 21480/61422 co-relation queries the response was YES. [2021-04-28 18:03:32,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63881 conditions, 14014 events. 7480/14014 cut-off events. For 21480/61422 co-relation queries the response was YES. Maximal size of possible extension queue 2637. Compared 140574 event pairs, 34 based on Foata normal form. 1314/7147 useless extension candidates. Maximal degree in co-relation 63860. Up to 6355 conditions per place. [2021-04-28 18:03:32,807 INFO L132 encePairwiseOnDemand]: 396/411 looper letters, 2 selfloop transitions, 63 changer transitions 13/119 dead transitions. [2021-04-28 18:03:32,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 119 transitions, 874 flow [2021-04-28 18:03:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:03:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:03:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2914 transitions. [2021-04-28 18:03:32,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7877804812111382 [2021-04-28 18:03:32,817 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2914 transitions. [2021-04-28 18:03:32,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2914 transitions. [2021-04-28 18:03:32,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:32,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2914 transitions. [2021-04-28 18:03:32,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 323.77777777777777) internal successors, (2914), 9 states have internal predecessors, (2914), 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 18:03:32,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 411.0) internal successors, (4110), 10 states have internal predecessors, (4110), 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 18:03:32,836 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 411.0) internal successors, (4110), 10 states have internal predecessors, (4110), 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 18:03:32,836 INFO L185 Difference]: Start difference. First operand has 73 places, 107 transitions, 601 flow. Second operand 9 states and 2914 transitions. [2021-04-28 18:03:32,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 119 transitions, 874 flow [2021-04-28 18:03:34,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 119 transitions, 821 flow, removed 25 selfloop flow, removed 2 redundant places. [2021-04-28 18:03:34,390 INFO L241 Difference]: Finished difference. Result has 82 places, 106 transitions, 729 flow [2021-04-28 18:03:34,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=729, PETRI_PLACES=82, PETRI_TRANSITIONS=106} [2021-04-28 18:03:34,391 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -73 predicate places. [2021-04-28 18:03:34,391 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:03:34,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 106 transitions, 729 flow [2021-04-28 18:03:34,391 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 106 transitions, 729 flow [2021-04-28 18:03:34,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 106 transitions, 729 flow [2021-04-28 18:03:35,280 INFO L129 PetriNetUnfolder]: 7877/14177 cut-off events. [2021-04-28 18:03:35,280 INFO L130 PetriNetUnfolder]: For 26924/38302 co-relation queries the response was YES. [2021-04-28 18:03:35,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62929 conditions, 14177 events. 7877/14177 cut-off events. For 26924/38302 co-relation queries the response was YES. Maximal size of possible extension queue 2556. Compared 139884 event pairs, 39 based on Foata normal form. 9/5855 useless extension candidates. Maximal degree in co-relation 62907. Up to 5968 conditions per place. [2021-04-28 18:03:35,444 INFO L146 LiptonReduction]: Number of co-enabled transitions 2828 [2021-04-28 18:03:36,351 INFO L158 LiptonReduction]: Checked pairs total: 1131 [2021-04-28 18:03:36,352 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:03:36,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1961 [2021-04-28 18:03:36,353 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 106 transitions, 729 flow [2021-04-28 18:03:36,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 315.85714285714283) internal successors, (2211), 7 states have internal predecessors, (2211), 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 18:03:36,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:03:36,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:03:36,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:03:36,355 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:03:36,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:03:36,356 INFO L82 PathProgramCache]: Analyzing trace with hash -532376527, now seen corresponding path program 1 times [2021-04-28 18:03:36,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:03:36,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63693695] [2021-04-28 18:03:36,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:03:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:03:36,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:03:36,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:03:36,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:03:36,442 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:03:36,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:03:36,461 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 18:03:36,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63693695] [2021-04-28 18:03:36,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:03:36,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:03:36,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389384104] [2021-04-28 18:03:36,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:03:36,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:03:36,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:03:36,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:03:36,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 411 [2021-04-28 18:03:36,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 106 transitions, 729 flow. Second operand has 4 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 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 18:03:36,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:03:36,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 411 [2021-04-28 18:03:36,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:03:38,926 INFO L129 PetriNetUnfolder]: 15634/29583 cut-off events. [2021-04-28 18:03:38,926 INFO L130 PetriNetUnfolder]: For 52278/74778 co-relation queries the response was YES. [2021-04-28 18:03:39,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128909 conditions, 29583 events. 15634/29583 cut-off events. For 52278/74778 co-relation queries the response was YES. Maximal size of possible extension queue 5265. Compared 322969 event pairs, 87 based on Foata normal form. 100/12752 useless extension candidates. Maximal degree in co-relation 128885. Up to 12358 conditions per place. [2021-04-28 18:03:39,120 INFO L132 encePairwiseOnDemand]: 402/411 looper letters, 13 selfloop transitions, 13 changer transitions 10/125 dead transitions. [2021-04-28 18:03:39,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 125 transitions, 860 flow [2021-04-28 18:03:39,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:03:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:03:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1198 transitions. [2021-04-28 18:03:39,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5829683698296837 [2021-04-28 18:03:39,126 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1198 transitions. [2021-04-28 18:03:39,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1198 transitions. [2021-04-28 18:03:39,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:03:39,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1198 transitions. [2021-04-28 18:03:39,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 239.6) internal successors, (1198), 5 states have internal predecessors, (1198), 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 18:03:39,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 411.0) internal successors, (2466), 6 states have internal predecessors, (2466), 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 18:03:39,134 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 411.0) internal successors, (2466), 6 states have internal predecessors, (2466), 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 18:03:39,134 INFO L185 Difference]: Start difference. First operand has 81 places, 106 transitions, 729 flow. Second operand 5 states and 1198 transitions. [2021-04-28 18:03:39,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 125 transitions, 860 flow [2021-04-28 18:04:01,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 125 transitions, 663 flow, removed 42 selfloop flow, removed 9 redundant places. [2021-04-28 18:04:01,265 INFO L241 Difference]: Finished difference. Result has 79 places, 112 transitions, 624 flow [2021-04-28 18:04:01,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=624, PETRI_PLACES=79, PETRI_TRANSITIONS=112} [2021-04-28 18:04:01,265 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -76 predicate places. [2021-04-28 18:04:01,266 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:04:01,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 112 transitions, 624 flow [2021-04-28 18:04:01,266 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 112 transitions, 624 flow [2021-04-28 18:04:01,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 112 transitions, 624 flow [2021-04-28 18:04:01,503 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1091] L828-->L844: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_386 256) 0)) (.cse24 (= (mod v_~a$r_buff0_thd4~0_222 256) 0)) (.cse13 (= (mod v_~a$r_buff1_thd4~0_173 256) 0))) (let ((.cse2 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse25 (and .cse24 .cse13)) (.cse28 (and .cse31 .cse24)) (.cse22 (not .cse13)) (.cse4 (not .cse24)) (.cse30 (= (mod v_~a$w_buff0_used~0_482 256) 0)) (.cse15 (= (mod v_~a$w_buff0_used~0_481 256) 0)) (.cse16 (= (mod v_~a$w_buff1_used~0_385 256) 0))) (let ((.cse21 (not .cse16)) (.cse26 (or .cse24 .cse15)) (.cse18 (not .cse15)) (.cse5 (or .cse24 .cse30)) (.cse3 (not .cse30)) (.cse6 (or (not .cse31) .cse4)) (.cse7 (or .cse22 .cse4)) (.cse8 (or .cse25 .cse28 .cse30)) (.cse0 (not .cse2))) (and (let ((.cse1 (= |v_P3_#t~ite33_65| |v_P3Thread1of1ForFork0_#t~ite33_1|))) (or (and (= v_~a$w_buff0_used~0_482 v_~a$w_buff0_used~0_481) .cse0 .cse1 (= |v_P3_#t~ite34_59| |v_P3Thread1of1ForFork0_#t~ite34_1|)) (and .cse2 (= |v_P3_#t~ite34_59| v_~a$w_buff0_used~0_481) (or (and (= |v_P3_#t~ite33_65| |v_P3_#t~ite34_59|) (or (and .cse3 (= |v_P3_#t~ite33_65| 0) .cse4) (and (= |v_P3_#t~ite33_65| v_~a$w_buff0_used~0_482) .cse5)) .cse3 .cse6 .cse7) (and .cse8 (= |v_P3_#t~ite34_59| v_~a$w_buff0_used~0_482) .cse1))))) (let ((.cse9 (= |v_P3_#t~ite30_57| |v_P3Thread1of1ForFork0_#t~ite30_1|))) (or (and .cse9 .cse0 (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) (= |v_P3_#t~ite31_47| |v_P3Thread1of1ForFork0_#t~ite31_1|)) (and .cse2 (= |v_P3_#t~ite31_47| v_~a$w_buff1~0_120) (or (and (= |v_P3_#t~ite31_47| v_~a$w_buff1~0_121) .cse9 .cse8) (and .cse3 .cse6 (= |v_P3_#t~ite30_57| |v_P3_#t~ite31_47|) (let ((.cse10 (= |v_P3_#t~ite30_57| v_~a$w_buff1~0_121))) (or (and .cse10 .cse3 .cse4) (and .cse10 .cse5))) .cse7))))) (= v_~a~0_184 v_~a$mem_tmp~0_26) (let ((.cse11 (= |v_P3_#t~ite27_69| |v_P3Thread1of1ForFork0_#t~ite27_1|))) (or (and .cse0 (= v_~a$w_buff0~0_109 v_~a$w_buff0~0_110) (= |v_P3_#t~ite28_59| |v_P3Thread1of1ForFork0_#t~ite28_1|) .cse11) (and .cse2 (= |v_P3_#t~ite28_59| v_~a$w_buff0~0_109) (or (and .cse3 .cse6 (let ((.cse12 (= |v_P3_#t~ite27_69| v_~a$w_buff0~0_110))) (or (and .cse3 .cse12 .cse4) (and .cse12 .cse5))) .cse7 (= |v_P3_#t~ite27_69| |v_P3_#t~ite28_59|)) (and .cse8 (= |v_P3_#t~ite28_59| v_~a$w_buff0~0_110) .cse11))))) (= |v_P3Thread1of1ForFork0_#t~nondet23_1| v_~weak$$choice0~0_21) (let ((.cse17 (= |v_P3_#t~ite42_47| |v_P3Thread1of1ForFork0_#t~ite42_1|))) (or (and .cse2 (let ((.cse14 (= (mod v_~a$r_buff0_thd4~0_221 256) 0))) (or (and (or (and .cse13 .cse14) .cse15 (and .cse16 .cse14)) .cse17 (= |v_P3_#t~ite43_43| v_~a$r_buff1_thd4~0_173)) (let ((.cse19 (not .cse14))) (and (= |v_P3_#t~ite42_47| |v_P3_#t~ite43_43|) .cse18 (let ((.cse20 (= |v_P3_#t~ite42_47| 0))) (or (and .cse19 .cse18 .cse20) (and .cse20 (or .cse15 .cse14)))) (or .cse19 .cse21) (or .cse22 .cse19))))) (= |v_P3_#t~ite43_43| v_~a$r_buff1_thd4~0_172)) (and .cse0 (= v_~a$r_buff1_thd4~0_173 v_~a$r_buff1_thd4~0_172) .cse17 (= |v_P3_#t~ite43_43| |v_P3Thread1of1ForFork0_#t~ite43_1|)))) (let ((.cse23 (= |v_P3Thread1of1ForFork0_#t~ite39_1| |v_P3_#t~ite39_39|))) (or (and (or (and .cse23 (= |v_P3_#t~ite40_33| v_~a$r_buff0_thd4~0_222) (or (and .cse24 .cse16) .cse15 .cse25)) (and (or .cse4 .cse21) .cse18 (= |v_P3_#t~ite39_39| |v_P3_#t~ite40_33|) .cse7 (or (and .cse18 (= |v_P3_#t~ite39_39| 0) .cse4) (and .cse26 (= |v_P3_#t~ite39_39| v_~a$r_buff0_thd4~0_222))))) .cse2 (= |v_P3_#t~ite40_33| v_~a$r_buff0_thd4~0_221)) (and .cse0 .cse23 (= v_~a$r_buff0_thd4~0_221 v_~a$r_buff0_thd4~0_222) (= |v_P3Thread1of1ForFork0_#t~ite40_1| |v_P3_#t~ite40_33|)))) (let ((.cse27 (= |v_P3_#t~ite36_55| |v_P3Thread1of1ForFork0_#t~ite36_1|))) (or (and (= v_~a$w_buff1_used~0_386 v_~a$w_buff1_used~0_385) .cse0 (= |v_P3_#t~ite37_45| |v_P3Thread1of1ForFork0_#t~ite37_1|) .cse27) (and .cse2 (or (and (or .cse15 .cse25 .cse28) (= |v_P3_#t~ite37_45| v_~a$w_buff1_used~0_386) .cse27) (and .cse18 .cse6 (let ((.cse29 (= |v_P3_#t~ite36_55| 0))) (or (and .cse26 .cse29) (and .cse18 .cse4 .cse29))) .cse7 (= |v_P3_#t~ite36_55| |v_P3_#t~ite37_45|))) (= |v_P3_#t~ite37_45| v_~a$w_buff1_used~0_385)))) (= |v_P3Thread1of1ForFork0_#t~nondet24_1| v_~weak$$choice2~0_86) (or (and .cse3 (or (and (= |v_P3_#t~ite25_57| v_~a$w_buff1~0_121) .cse5) (and .cse3 .cse4 (= |v_P3_#t~ite25_57| v_~a$w_buff0~0_110))) .cse6 (= |v_P3_#t~ite25_57| v_~__unbuffered_p3_EBX~0_12) .cse7) (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_12) (= |v_P3_#t~ite25_57| |v_P3Thread1of1ForFork0_#t~ite25_1|) .cse8)) (or (and .cse0 (= v_~a~0_182 v_~a$mem_tmp~0_26)) (and .cse2 (= v_~a~0_182 v_~__unbuffered_p3_EBX~0_12))) (= v_~a$flush_delayed~0_36 0))))) InVars {P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, P3Thread1of1ForFork0_#t~nondet24=|v_P3Thread1of1ForFork0_#t~nondet24_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_173, P3Thread1of1ForFork0_#t~nondet23=|v_P3Thread1of1ForFork0_#t~nondet23_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_482, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_222, ~a~0=v_~a~0_184, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_110, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_386, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_2|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_172, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_221, ~a~0=v_~a~0_182, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_2|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_2|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_2|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_2|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_2|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~ite44=|v_P3Thread1of1ForFork0_#t~ite44_1|, P3Thread1of1ForFork0_#t~ite45=|v_P3Thread1of1ForFork0_#t~ite45_1|, P3Thread1of1ForFork0_#t~nondet24=|v_P3Thread1of1ForFork0_#t~nondet24_2|, P3Thread1of1ForFork0_#t~nondet23=|v_P3Thread1of1ForFork0_#t~nondet23_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_481, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_12, ~weak$$choice0~0=v_~weak$$choice0~0_21, ~a$flush_delayed~0=v_~a$flush_delayed~0_36, ~a$w_buff0~0=v_~a$w_buff0~0_109, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_2|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_385, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite34_59|, |v_P3_#t~ite43_43|, |v_P3_#t~ite27_69|, |v_P3_#t~ite28_59|, |v_P3_#t~ite25_57|, |v_P3_#t~ite31_47|, |v_P3_#t~ite30_57|, |v_P3_#t~ite33_65|, |v_P3_#t~ite40_33|, |v_P3_#t~ite39_39|, |v_P3_#t~ite36_55|, |v_P3_#t~ite37_45|, |v_P3_#t~ite42_47|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~ite44, P3Thread1of1ForFork0_#t~ite45, P3Thread1of1ForFork0_#t~nondet24, P3Thread1of1ForFork0_#t~nondet23, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, ~a$w_buff1_used~0, ~weak$$choice2~0][7], [Black: 508#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= ~__unbuffered_cnt~0 2)), P0Thread1of1ForFork1InUse, 386#true, P2Thread1of1ForFork3InUse, Black: 318#(<= ~__unbuffered_cnt~0 1), 101#L875-1true, P3Thread1of1ForFork0InUse, Black: 388#(and (= ~a$w_buff0~0 1) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), Black: 707#(<= ~__unbuffered_cnt~0 3), Black: 712#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= ~__unbuffered_cnt~0 3)), 849#(= ~z~0 1), 50#L768true, 660#(and (= ~x~0 1) (= ~__unbuffered_p0_EAX~0 1)), Black: 657#(= ~x~0 1), Black: 850#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))), 24#L815true, Black: 852#(and (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z~0 1)), 25#L795true, 317#(= ~__unbuffered_cnt~0 0), Black: 505#(<= ~__unbuffered_cnt~0 2), 31#L844true, P1Thread1of1ForFork2InUse]) [2021-04-28 18:04:01,503 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-04-28 18:04:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-28 18:04:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-28 18:04:01,504 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-04-28 18:04:02,754 INFO L129 PetriNetUnfolder]: 11402/23289 cut-off events. [2021-04-28 18:04:02,755 INFO L130 PetriNetUnfolder]: For 13980/16457 co-relation queries the response was YES. [2021-04-28 18:04:02,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74484 conditions, 23289 events. 11402/23289 cut-off events. For 13980/16457 co-relation queries the response was YES. Maximal size of possible extension queue 4412. Compared 276238 event pairs, 129 based on Foata normal form. 15/10360 useless extension candidates. Maximal degree in co-relation 74463. Up to 7930 conditions per place. [2021-04-28 18:04:03,210 INFO L146 LiptonReduction]: Number of co-enabled transitions 2930 [2021-04-28 18:04:27,996 INFO L158 LiptonReduction]: Checked pairs total: 474 [2021-04-28 18:04:27,996 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:04:27,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26730 [2021-04-28 18:04:27,998 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 113 transitions, 632 flow [2021-04-28 18:04:27,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 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 18:04:27,999 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:04:27,999 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:04:27,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:04:27,999 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:04:28,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:04:28,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1419297412, now seen corresponding path program 1 times [2021-04-28 18:04:28,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:04:28,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872001599] [2021-04-28 18:04:28,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:04:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:04:28,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:04:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:04:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:04:28,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:04:28,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:04:28,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:04:28,110 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 18:04:28,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872001599] [2021-04-28 18:04:28,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:04:28,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:04:28,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441146352] [2021-04-28 18:04:28,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:04:28,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:04:28,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:04:28,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:04:28,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 412 [2021-04-28 18:04:28,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 113 transitions, 632 flow. Second operand has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 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 18:04:28,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:04:28,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 412 [2021-04-28 18:04:28,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:04:31,653 INFO L129 PetriNetUnfolder]: 22101/44901 cut-off events. [2021-04-28 18:04:31,653 INFO L130 PetriNetUnfolder]: For 27568/31105 co-relation queries the response was YES. [2021-04-28 18:04:31,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143740 conditions, 44901 events. 22101/44901 cut-off events. For 27568/31105 co-relation queries the response was YES. Maximal size of possible extension queue 7434. Compared 547468 event pairs, 242 based on Foata normal form. 113/19971 useless extension candidates. Maximal degree in co-relation 143717. Up to 15337 conditions per place. [2021-04-28 18:04:31,883 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 3 selfloop transitions, 3 changer transitions 8/115 dead transitions. [2021-04-28 18:04:31,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 115 transitions, 658 flow [2021-04-28 18:04:31,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:04:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:04:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1030 transitions. [2021-04-28 18:04:31,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.625 [2021-04-28 18:04:31,888 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1030 transitions. [2021-04-28 18:04:31,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1030 transitions. [2021-04-28 18:04:31,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:04:31,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1030 transitions. [2021-04-28 18:04:31,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 257.5) internal successors, (1030), 4 states have internal predecessors, (1030), 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 18:04:31,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:04:31,894 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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 18:04:31,894 INFO L185 Difference]: Start difference. First operand has 80 places, 113 transitions, 632 flow. Second operand 4 states and 1030 transitions. [2021-04-28 18:04:31,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 115 transitions, 658 flow [2021-04-28 18:05:20,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 115 transitions, 658 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:05:20,637 INFO L241 Difference]: Finished difference. Result has 85 places, 107 transitions, 619 flow [2021-04-28 18:05:20,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=619, PETRI_PLACES=85, PETRI_TRANSITIONS=107} [2021-04-28 18:05:20,638 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -70 predicate places. [2021-04-28 18:05:20,638 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:05:20,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 107 transitions, 619 flow [2021-04-28 18:05:20,638 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 107 transitions, 619 flow [2021-04-28 18:05:20,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 107 transitions, 619 flow [2021-04-28 18:05:23,119 INFO L129 PetriNetUnfolder]: 17300/35117 cut-off events. [2021-04-28 18:05:23,119 INFO L130 PetriNetUnfolder]: For 21996/24450 co-relation queries the response was YES. [2021-04-28 18:05:23,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112533 conditions, 35117 events. 17300/35117 cut-off events. For 21996/24450 co-relation queries the response was YES. Maximal size of possible extension queue 6123. Compared 433281 event pairs, 167 based on Foata normal form. 20/15873 useless extension candidates. Maximal degree in co-relation 112509. Up to 11989 conditions per place. [2021-04-28 18:05:23,561 INFO L146 LiptonReduction]: Number of co-enabled transitions 2532 [2021-04-28 18:05:24,526 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 18:05:24,526 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:05:24,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3888 [2021-04-28 18:05:24,528 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 107 transitions, 619 flow [2021-04-28 18:05:24,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 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 18:05:24,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:05:24,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:05:24,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:05:24,528 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:05:24,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:05:24,529 INFO L82 PathProgramCache]: Analyzing trace with hash -479328483, now seen corresponding path program 1 times [2021-04-28 18:05:24,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:05:24,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999650659] [2021-04-28 18:05:24,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:05:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:05:24,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:05:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:05:24,632 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-04-28 18:05:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 18:05:24,652 INFO L142 QuantifierPusher]: treesize reduction 29, result has 58.0 percent of original size [2021-04-28 18:05:24,654 INFO L147 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size 32 [2021-04-28 18:05:24,680 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-04-28 18:05:24,682 INFO L147 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31 [2021-04-28 18:05:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:05:24,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:05:24,717 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 18:05:24,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999650659] [2021-04-28 18:05:24,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:05:24,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:05:24,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120088253] [2021-04-28 18:05:24,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:05:24,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:05:24,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:05:24,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:05:24,722 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 412 [2021-04-28 18:05:24,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 107 transitions, 619 flow. Second operand has 7 states, 7 states have (on average 218.28571428571428) internal successors, (1528), 7 states have internal predecessors, (1528), 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 18:05:24,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:05:24,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 412 [2021-04-28 18:05:24,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:05:30,819 INFO L129 PetriNetUnfolder]: 28281/56788 cut-off events. [2021-04-28 18:05:30,820 INFO L130 PetriNetUnfolder]: For 43835/51375 co-relation queries the response was YES. [2021-04-28 18:05:31,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184590 conditions, 56788 events. 28281/56788 cut-off events. For 43835/51375 co-relation queries the response was YES. Maximal size of possible extension queue 10228. Compared 713332 event pairs, 137 based on Foata normal form. 365/25600 useless extension candidates. Maximal degree in co-relation 184564. Up to 19387 conditions per place. [2021-04-28 18:05:31,072 INFO L132 encePairwiseOnDemand]: 403/412 looper letters, 12 selfloop transitions, 17 changer transitions 10/122 dead transitions. [2021-04-28 18:05:31,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 122 transitions, 769 flow [2021-04-28 18:05:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:05:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:05:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1545 transitions. [2021-04-28 18:05:31,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2021-04-28 18:05:31,078 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1545 transitions. [2021-04-28 18:05:31,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1545 transitions. [2021-04-28 18:05:31,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:05:31,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1545 transitions. [2021-04-28 18:05:31,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 220.71428571428572) internal successors, (1545), 7 states have internal predecessors, (1545), 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 18:05:31,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 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 18:05:31,089 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 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 18:05:31,090 INFO L185 Difference]: Start difference. First operand has 80 places, 107 transitions, 619 flow. Second operand 7 states and 1545 transitions. [2021-04-28 18:05:31,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 122 transitions, 769 flow [2021-04-28 18:06:49,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 122 transitions, 768 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:06:49,610 INFO L241 Difference]: Finished difference. Result has 89 places, 111 transitions, 697 flow [2021-04-28 18:06:49,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=697, PETRI_PLACES=89, PETRI_TRANSITIONS=111} [2021-04-28 18:06:49,610 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -66 predicate places. [2021-04-28 18:06:49,610 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:06:49,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 111 transitions, 697 flow [2021-04-28 18:06:49,611 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 111 transitions, 697 flow [2021-04-28 18:06:49,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 111 transitions, 697 flow [2021-04-28 18:06:50,629 INFO L129 PetriNetUnfolder]: 7434/14457 cut-off events. [2021-04-28 18:06:50,630 INFO L130 PetriNetUnfolder]: For 10758/12132 co-relation queries the response was YES. [2021-04-28 18:06:50,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46759 conditions, 14457 events. 7434/14457 cut-off events. For 10758/12132 co-relation queries the response was YES. Maximal size of possible extension queue 2421. Compared 152036 event pairs, 200 based on Foata normal form. 19/6458 useless extension candidates. Maximal degree in co-relation 46730. Up to 4816 conditions per place. [2021-04-28 18:06:50,780 INFO L146 LiptonReduction]: Number of co-enabled transitions 2232 [2021-04-28 18:06:54,796 INFO L158 LiptonReduction]: Checked pairs total: 185 [2021-04-28 18:06:54,796 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 18:06:54,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5187 [2021-04-28 18:06:54,798 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 111 transitions, 703 flow [2021-04-28 18:06:54,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 218.28571428571428) internal successors, (1528), 7 states have internal predecessors, (1528), 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 18:06:54,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:06:54,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:06:54,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 18:06:54,799 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:06:54,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:06:54,799 INFO L82 PathProgramCache]: Analyzing trace with hash 428201974, now seen corresponding path program 1 times [2021-04-28 18:06:54,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:06:54,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651893303] [2021-04-28 18:06:54,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:06:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:06:54,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:06:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:06:54,923 INFO L142 QuantifierPusher]: treesize reduction 19, result has 74.3 percent of original size [2021-04-28 18:06:54,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-28 18:06:54,959 INFO L142 QuantifierPusher]: treesize reduction 37, result has 66.7 percent of original size [2021-04-28 18:06:54,961 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-04-28 18:06:55,005 INFO L142 QuantifierPusher]: treesize reduction 17, result has 74.2 percent of original size [2021-04-28 18:06:55,007 INFO L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-04-28 18:06:55,048 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-04-28 18:06:55,049 INFO L147 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31 [2021-04-28 18:06:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:06:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:06:55,088 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 18:06:55,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651893303] [2021-04-28 18:06:55,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:06:55,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 18:06:55,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668080757] [2021-04-28 18:06:55,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 18:06:55,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:06:55,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 18:06:55,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-28 18:06:55,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 415 [2021-04-28 18:06:55,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 111 transitions, 703 flow. Second operand has 8 states, 8 states have (on average 220.125) internal successors, (1761), 8 states have internal predecessors, (1761), 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 18:06:55,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:06:55,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 415 [2021-04-28 18:06:55,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:06:56,732 INFO L129 PetriNetUnfolder]: 8592/17765 cut-off events. [2021-04-28 18:06:56,732 INFO L130 PetriNetUnfolder]: For 17114/19231 co-relation queries the response was YES. [2021-04-28 18:06:56,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58937 conditions, 17765 events. 8592/17765 cut-off events. For 17114/19231 co-relation queries the response was YES. Maximal size of possible extension queue 3306. Compared 197660 event pairs, 44 based on Foata normal form. 206/8175 useless extension candidates. Maximal degree in co-relation 58906. Up to 6049 conditions per place. [2021-04-28 18:06:56,821 INFO L132 encePairwiseOnDemand]: 408/415 looper letters, 9 selfloop transitions, 9 changer transitions 26/124 dead transitions. [2021-04-28 18:06:56,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 124 transitions, 889 flow [2021-04-28 18:06:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:06:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:06:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1342 transitions. [2021-04-28 18:06:56,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5389558232931727 [2021-04-28 18:06:56,830 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1342 transitions. [2021-04-28 18:06:56,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1342 transitions. [2021-04-28 18:06:56,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:06:56,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1342 transitions. [2021-04-28 18:06:56,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 223.66666666666666) internal successors, (1342), 6 states have internal predecessors, (1342), 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 18:06:56,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 415.0) internal successors, (2905), 7 states have internal predecessors, (2905), 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 18:06:56,839 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 415.0) internal successors, (2905), 7 states have internal predecessors, (2905), 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 18:06:56,839 INFO L185 Difference]: Start difference. First operand has 87 places, 111 transitions, 703 flow. Second operand 6 states and 1342 transitions. [2021-04-28 18:06:56,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 124 transitions, 889 flow [2021-04-28 18:07:03,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 124 transitions, 878 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-28 18:07:03,807 INFO L241 Difference]: Finished difference. Result has 91 places, 98 transitions, 623 flow [2021-04-28 18:07:03,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=623, PETRI_PLACES=91, PETRI_TRANSITIONS=98} [2021-04-28 18:07:03,807 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -64 predicate places. [2021-04-28 18:07:03,807 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:07:03,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 98 transitions, 623 flow [2021-04-28 18:07:03,808 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 98 transitions, 623 flow [2021-04-28 18:07:03,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 98 transitions, 623 flow [2021-04-28 18:07:04,447 INFO L129 PetriNetUnfolder]: 5309/10227 cut-off events. [2021-04-28 18:07:04,447 INFO L130 PetriNetUnfolder]: For 6923/6950 co-relation queries the response was YES. [2021-04-28 18:07:04,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33061 conditions, 10227 events. 5309/10227 cut-off events. For 6923/6950 co-relation queries the response was YES. Maximal size of possible extension queue 1710. Compared 100436 event pairs, 384 based on Foata normal form. 9/4742 useless extension candidates. Maximal degree in co-relation 33031. Up to 3421 conditions per place. [2021-04-28 18:07:04,568 INFO L146 LiptonReduction]: Number of co-enabled transitions 1532 [2021-04-28 18:07:09,375 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 18:07:09,375 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:07:09,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5568 [2021-04-28 18:07:09,376 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 98 transitions, 623 flow [2021-04-28 18:07:09,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 220.125) internal successors, (1761), 8 states have internal predecessors, (1761), 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 18:07:09,377 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:07:09,377 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:07:09,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 18:07:09,378 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:07:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:07:09,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1796993219, now seen corresponding path program 1 times [2021-04-28 18:07:09,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:07:09,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759613808] [2021-04-28 18:07:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:07:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:07:09,457 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:07:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:07:09,520 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:07:09,582 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:07:09,582 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:07:09,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 18:07:09,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:07:09 BasicIcfg [2021-04-28 18:07:09,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:07:09,761 INFO L168 Benchmark]: Toolchain (without parser) took 301753.86 ms. Allocated memory was 314.6 MB in the beginning and 4.7 GB in the end (delta: 4.3 GB). Free memory was 289.2 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-04-28 18:07:09,762 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 314.6 MB. Free memory is still 284.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:07:09,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.70 ms. Allocated memory is still 314.6 MB. Free memory was 286.1 MB in the beginning and 291.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.0 GB. [2021-04-28 18:07:09,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.29 ms. Allocated memory is still 314.6 MB. Free memory was 290.0 MB in the beginning and 287.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:07:09,763 INFO L168 Benchmark]: Boogie Preprocessor took 66.44 ms. Allocated memory is still 314.6 MB. Free memory was 287.9 MB in the beginning and 285.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:07:09,763 INFO L168 Benchmark]: RCFGBuilder took 2673.87 ms. Allocated memory was 314.6 MB in the beginning and 390.1 MB in the end (delta: 75.5 MB). Free memory was 285.8 MB in the beginning and 285.8 MB in the end (delta: -63.2 kB). Peak memory consumption was 174.0 MB. Max. memory is 16.0 GB. [2021-04-28 18:07:09,764 INFO L168 Benchmark]: TraceAbstraction took 297995.73 ms. Allocated memory was 390.1 MB in the beginning and 4.7 GB in the end (delta: 4.3 GB). Free memory was 284.8 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-04-28 18:07:09,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 314.6 MB. Free memory is still 284.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 873.70 ms. Allocated memory is still 314.6 MB. Free memory was 286.1 MB in the beginning and 291.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 94.29 ms. Allocated memory is still 314.6 MB. Free memory was 290.0 MB in the beginning and 287.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.44 ms. Allocated memory is still 314.6 MB. Free memory was 287.9 MB in the beginning and 285.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2673.87 ms. Allocated memory was 314.6 MB in the beginning and 390.1 MB in the end (delta: 75.5 MB). Free memory was 285.8 MB in the beginning and 285.8 MB in the end (delta: -63.2 kB). Peak memory consumption was 174.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 297995.73 ms. Allocated memory was 390.1 MB in the beginning and 4.7 GB in the end (delta: 4.3 GB). Free memory was 284.8 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50620.9ms, 126 PlacesBefore, 155 PlacesAfterwards, 115 TransitionsBefore, 143 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 9 FixpointIterations, 187 TrivialSequentialCompositions, 101 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 290 TotalNumberOfCompositions, 28331 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6838, positive: 6439, positive conditional: 6439, positive unconditional: 0, negative: 399, negative conditional: 399, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3365, positive: 3271, positive conditional: 0, positive unconditional: 3271, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3365, positive: 3271, positive conditional: 0, positive unconditional: 3271, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3365, positive: 3252, positive conditional: 0, positive unconditional: 3252, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1205, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 1142, negative conditional: 0, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6838, positive: 3168, positive conditional: 3168, positive unconditional: 0, negative: 305, negative conditional: 305, negative unconditional: 0, unknown: 3365, unknown conditional: 3365, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3363, Positive cache size: 3269, Positive conditional cache size: 3269, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.3ms, 150 PlacesBefore, 90 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 3142 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4212 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 428, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 96, negative conditional: 96, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 17, positive conditional: 3, positive unconditional: 14, negative: 28, negative conditional: 8, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 17, positive conditional: 3, positive unconditional: 14, negative: 28, negative conditional: 8, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 8, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 274, negative conditional: 166, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 428, positive: 315, positive conditional: 315, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3408, Positive cache size: 3286, Positive conditional cache size: 3286, Positive unconditional cache size: 0, Negative cache size: 122, Negative conditional cache size: 122, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.6ms, 91 PlacesBefore, 51 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2278 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 525, positive: 442, positive conditional: 442, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161, positive: 134, positive conditional: 36, positive unconditional: 98, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 161, positive: 134, positive conditional: 36, positive unconditional: 98, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 161, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 450, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 392, negative conditional: 0, negative unconditional: 392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 525, positive: 308, positive conditional: 308, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 161, unknown conditional: 161, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3569, Positive cache size: 3420, Positive conditional cache size: 3420, Positive unconditional cache size: 0, Negative cache size: 149, Negative conditional cache size: 149, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 647.7ms, 56 PlacesBefore, 54 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1374 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 21, positive conditional: 2, positive unconditional: 19, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 21, positive conditional: 2, positive unconditional: 19, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 255, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 255, negative conditional: 0, negative unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 107, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3599, Positive cache size: 3441, Positive conditional cache size: 3441, Positive unconditional cache size: 0, Negative cache size: 158, Negative conditional cache size: 158, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 490.0ms, 60 PlacesBefore, 58 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2256 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 587, positive: 537, positive conditional: 537, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94, positive: 92, positive conditional: 60, positive unconditional: 32, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 94, positive: 92, positive conditional: 60, positive unconditional: 32, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 94, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 587, positive: 445, positive conditional: 445, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 94, unknown conditional: 94, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3693, Positive cache size: 3533, Positive conditional cache size: 3533, Positive unconditional cache size: 0, Negative cache size: 160, Negative conditional cache size: 160, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10059.3ms, 62 PlacesBefore, 63 PlacesAfterwards, 80 TransitionsBefore, 81 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1990 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 388, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 132, positive conditional: 103, positive unconditional: 29, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 136, positive: 132, positive conditional: 103, positive unconditional: 29, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 136, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 388, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 136, unknown conditional: 136, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3829, Positive cache size: 3665, Positive conditional cache size: 3665, Positive unconditional cache size: 0, Negative cache size: 164, Negative conditional cache size: 164, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1067.5ms, 72 PlacesBefore, 72 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 2868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1141 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 466, positive: 449, positive conditional: 449, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157, positive: 155, positive conditional: 142, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 157, positive: 155, positive conditional: 142, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 157, positive: 155, positive conditional: 0, positive unconditional: 155, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 466, positive: 294, positive conditional: 294, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 157, unknown conditional: 157, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3986, Positive cache size: 3820, Positive conditional cache size: 3820, Positive unconditional cache size: 0, Negative cache size: 166, Negative conditional cache size: 166, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1764.0ms, 73 PlacesBefore, 73 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 2918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 890 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 42, positive conditional: 38, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 42, positive conditional: 38, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4032, Positive cache size: 3862, Positive conditional cache size: 3862, Positive unconditional cache size: 0, Negative cache size: 170, Negative conditional cache size: 170, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1960.6ms, 82 PlacesBefore, 81 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1131 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 570, positive: 552, positive conditional: 552, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138, positive: 138, positive conditional: 130, positive unconditional: 8, 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: 138, positive: 138, positive conditional: 130, positive unconditional: 8, 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: 138, positive: 138, positive conditional: 0, positive unconditional: 138, 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: 570, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 138, unknown conditional: 138, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4170, Positive cache size: 4000, Positive conditional cache size: 4000, Positive unconditional cache size: 0, Negative cache size: 170, Negative conditional cache size: 170, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26730.3ms, 79 PlacesBefore, 80 PlacesAfterwards, 112 TransitionsBefore, 113 TransitionsAfterwards, 2930 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 474 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 58, positive conditional: 44, positive unconditional: 14, 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: 59, positive: 58, positive conditional: 44, positive unconditional: 14, 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: 59, positive: 58, positive conditional: 0, positive unconditional: 58, 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: 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] ], Cache Queries: [ total: 87, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4229, Positive cache size: 4058, Positive conditional cache size: 4058, Positive unconditional cache size: 0, Negative cache size: 171, Negative conditional cache size: 171, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3887.8ms, 85 PlacesBefore, 80 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 2532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 4229, Positive cache size: 4058, Positive conditional cache size: 4058, Positive unconditional cache size: 0, Negative cache size: 171, Negative conditional cache size: 171, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5185.6ms, 89 PlacesBefore, 87 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 2232 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 185 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 185, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123, positive: 123, positive conditional: 102, positive unconditional: 21, 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: 123, positive: 123, positive conditional: 102, positive unconditional: 21, 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: 123, positive: 123, positive conditional: 0, positive unconditional: 123, 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: 185, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 123, unknown conditional: 123, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4352, Positive cache size: 4181, Positive conditional cache size: 4181, Positive unconditional cache size: 0, Negative cache size: 171, Negative conditional cache size: 171, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5567.2ms, 91 PlacesBefore, 84 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 1532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 4352, Positive cache size: 4181, Positive conditional cache size: 4181, Positive unconditional cache size: 0, Negative cache size: 171, Negative conditional cache size: 171, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [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_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool a$flush_delayed; [L724] 0 int a$mem_tmp; [L725] 0 _Bool a$r_buff0_thd0; [L726] 0 _Bool a$r_buff0_thd1; [L727] 0 _Bool a$r_buff0_thd2; [L728] 0 _Bool a$r_buff0_thd3; [L729] 0 _Bool a$r_buff0_thd4; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$r_buff1_thd4; [L735] 0 _Bool a$read_delayed; [L736] 0 int *a$read_delayed_var; [L737] 0 int a$w_buff0; [L738] 0 _Bool a$w_buff0_used; [L739] 0 int a$w_buff1; [L740] 0 _Bool a$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L868] 0 pthread_t t433; [L869] FCALL, FORK 0 pthread_create(&t433, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 a$w_buff1 = a$w_buff0 [L755] 1 a$w_buff0 = 1 [L756] 1 a$w_buff1_used = a$w_buff0_used [L757] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L760] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L761] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L762] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L763] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L764] 1 a$r_buff0_thd1 = (_Bool)1 [L767] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] 0 pthread_t t434; [L871] FCALL, FORK 0 pthread_create(&t434, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 1 [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L872] 0 pthread_t t435; [L873] FCALL, FORK 0 pthread_create(&t435, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L804] 3 y = 1 [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L792] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L794] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L810] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L810] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L811] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L812] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L813] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L814] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L874] 0 pthread_t t436; [L875] FCALL, FORK 0 pthread_create(&t436, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L824] 4 z = 1 [L827] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 a$flush_delayed = weak$$choice2 [L833] 4 a$mem_tmp = a [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L834] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L835] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L835] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L836] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L837] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L837] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L837] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L839] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L839] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L840] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EBX = a [L842] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L842] 4 a = a$flush_delayed ? a$mem_tmp : a [L843] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L770] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L772] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L774] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L846] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L846] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L847] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L848] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L849] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L850] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L853] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L877] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L881] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L881] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L882] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L883] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L884] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L885] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L888] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 118 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 297661.7ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 186365.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 50733.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 98 SDtfs, 82 SDslu, 40 SDs, 0 SdLazy, 757 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 857.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 505.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=782occurred in iteration=6, InterpolantAutomatonStates: 65, 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: 51.9ms SsaConstructionTime, 688.9ms SatisfiabilityAnalysisTime, 1251.6ms InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...