/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 09:28:54,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 09:28:54,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 09:28:54,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 09:28:54,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 09:28:54,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 09:28:54,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 09:28:54,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 09:28:54,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 09:28:54,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 09:28:54,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 09:28:54,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 09:28:54,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 09:28:54,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 09:28:54,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 09:28:54,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 09:28:54,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 09:28:54,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 09:28:54,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 09:28:54,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 09:28:54,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 09:28:54,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 09:28:54,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 09:28:54,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 09:28:54,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 09:28:54,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 09:28:54,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 09:28:54,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 09:28:54,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 09:28:54,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 09:28:54,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 09:28:54,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 09:28:54,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 09:28:54,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 09:28:54,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 09:28:54,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 09:28:54,418 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 09:28:54,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 09:28:54,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 09:28:54,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 09:28:54,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 09:28:54,447 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 09:28:54,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 09:28:54,447 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 09:28:54,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 09:28:54,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 09:28:54,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 09:28:54,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 09:28:54,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 09:28:54,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 09:28:54,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 09:28:54,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 09:28:54,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 09:28:54,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 09:28:54,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 09:28:54,451 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 09:28:54,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 09:28:54,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 09:28:54,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 09:28:54,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 09:28:54,697 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 09:28:54,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-03-26 09:28:54,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10592ec5f/f66d3c8109ec4d3888cd60d8280e22bb/FLAG24ac30cb3 [2021-03-26 09:28:55,239 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 09:28:55,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-03-26 09:28:55,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10592ec5f/f66d3c8109ec4d3888cd60d8280e22bb/FLAG24ac30cb3 [2021-03-26 09:28:55,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10592ec5f/f66d3c8109ec4d3888cd60d8280e22bb [2021-03-26 09:28:55,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 09:28:55,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 09:28:55,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 09:28:55,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 09:28:55,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 09:28:55,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a742f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55, skipping insertion in model container [2021-03-26 09:28:55,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 09:28:55,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 09:28:55,445 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-26 09:28:55,543 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-ext/40_barrier_vf.i[31172,31185] [2021-03-26 09:28:55,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:28:55,555 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 09:28:55,572 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-26 09:28:55,588 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-ext/40_barrier_vf.i[31172,31185] [2021-03-26 09:28:55,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:28:55,638 INFO L208 MainTranslator]: Completed translation [2021-03-26 09:28:55,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55 WrapperNode [2021-03-26 09:28:55,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 09:28:55,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 09:28:55,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 09:28:55,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 09:28:55,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 09:28:55,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 09:28:55,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 09:28:55,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 09:28:55,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... [2021-03-26 09:28:55,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 09:28:55,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 09:28:55,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 09:28:55,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 09:28:55,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-26 09:28:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 09:28:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 09:28:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 09:28:55,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 09:28:55,726 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 09:28:56,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 09:28:56,070 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 09:28:56,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:28:56 BoogieIcfgContainer [2021-03-26 09:28:56,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 09:28:56,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 09:28:56,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 09:28:56,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 09:28:56,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 09:28:55" (1/3) ... [2021-03-26 09:28:56,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b3dd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:28:56, skipping insertion in model container [2021-03-26 09:28:56,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:28:55" (2/3) ... [2021-03-26 09:28:56,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b3dd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:28:56, skipping insertion in model container [2021-03-26 09:28:56,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:28:56" (3/3) ... [2021-03-26 09:28:56,076 INFO L111 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2021-03-26 09:28:56,079 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 09:28:56,082 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 09:28:56,083 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 09:28:56,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:56,102 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:28:56,114 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-26 09:28:56,126 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:28:56,126 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:28:56,126 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:28:56,126 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:28:56,126 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:28:56,126 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:28:56,126 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:28:56,126 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:28:56,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 95 flow [2021-03-26 09:28:56,146 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 09:28:56,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:28:56,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 4/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 30. Up to 4 conditions per place. [2021-03-26 09:28:56,148 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 45 transitions, 95 flow [2021-03-26 09:28:56,150 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 45 transitions, 95 flow [2021-03-26 09:28:56,151 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:28:56,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 45 transitions, 95 flow [2021-03-26 09:28:56,160 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 45 transitions, 95 flow [2021-03-26 09:28:56,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 95 flow [2021-03-26 09:28:56,167 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 09:28:56,167 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:28:56,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 4/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 30. Up to 4 conditions per place. [2021-03-26 09:28:56,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 09:28:56,919 INFO L154 LiptonReduction]: Checked pairs total: 216 [2021-03-26 09:28:56,920 INFO L156 LiptonReduction]: Total number of compositions: 29 [2021-03-26 09:28:56,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 771 [2021-03-26 09:28:56,928 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-03-26 09:28:56,928 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:28:56,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:28:56,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:28:56,929 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:28:56,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:28:56,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1924869424, now seen corresponding path program 1 times [2021-03-26 09:28:56,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:28:56,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450411920] [2021-03-26 09:28:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:28:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:28:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:28:57,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:28:57,047 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:28:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:28:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:28:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:28:57,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450411920] [2021-03-26 09:28:57,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:28:57,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:28:57,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226673846] [2021-03-26 09:28:57,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:28:57,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:28:57,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:28:57,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:28:57,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 74 [2021-03-26 09:28:57,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 21 transitions, 47 flow. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:57,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:28:57,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 74 [2021-03-26 09:28:57,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:28:57,088 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-26 09:28:57,088 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:28:57,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 0 based on Foata normal form. 6/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 09:28:57,089 INFO L132 encePairwiseOnDemand]: 68/74 looper letters, 1 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2021-03-26 09:28:57,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 41 flow [2021-03-26 09:28:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:28:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:28:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 188 transitions. [2021-03-26 09:28:57,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6351351351351351 [2021-03-26 09:28:57,097 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 188 transitions. [2021-03-26 09:28:57,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 188 transitions. [2021-03-26 09:28:57,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:28:57,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 188 transitions. [2021-03-26 09:28:57,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:57,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:57,103 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:57,104 INFO L185 Difference]: Start difference. First operand has 22 places, 21 transitions, 47 flow. Second operand 4 states and 188 transitions. [2021-03-26 09:28:57,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 41 flow [2021-03-26 09:28:57,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 41 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 09:28:57,106 INFO L241 Difference]: Finished difference. Result has 21 places, 15 transitions, 39 flow [2021-03-26 09:28:57,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=35, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=39, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2021-03-26 09:28:57,108 INFO L343 CegarLoopForPetriNet]: 22 programPoint places, -1 predicate places. [2021-03-26 09:28:57,108 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:28:57,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 15 transitions, 39 flow [2021-03-26 09:28:57,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 15 transitions, 39 flow [2021-03-26 09:28:57,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 15 transitions, 39 flow [2021-03-26 09:28:57,111 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-26 09:28:57,111 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:28:57,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 09:28:57,111 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 09:28:58,011 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-26 09:28:58,011 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 09:28:58,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 903 [2021-03-26 09:28:58,012 INFO L480 AbstractCegarLoop]: Abstraction has has 15 places, 9 transitions, 29 flow [2021-03-26 09:28:58,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:58,012 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:28:58,013 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:28:58,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 09:28:58,013 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:28:58,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:28:58,013 INFO L82 PathProgramCache]: Analyzing trace with hash 456450159, now seen corresponding path program 1 times [2021-03-26 09:28:58,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:28:58,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596436132] [2021-03-26 09:28:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:28:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:28:58,026 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:28:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:28:58,052 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:28:58,062 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 09:28:58,062 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 09:28:58,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 09:28:58,063 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 09:28:58,063 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,078 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,078 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:58,078 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:28:58,078 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 09:28:58,080 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:28:58,080 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:28:58,080 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:28:58,080 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:28:58,080 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:28:58,080 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:28:58,080 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:28:58,080 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:28:58,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 146 flow [2021-03-26 09:28:58,090 INFO L129 PetriNetUnfolder]: 7/84 cut-off events. [2021-03-26 09:28:58,090 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 09:28:58,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 84 events. 7/84 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 168 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2021-03-26 09:28:58,091 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 67 transitions, 146 flow [2021-03-26 09:28:58,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 67 transitions, 146 flow [2021-03-26 09:28:58,091 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:28:58,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 67 transitions, 146 flow [2021-03-26 09:28:58,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 67 transitions, 146 flow [2021-03-26 09:28:58,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 146 flow [2021-03-26 09:28:58,099 INFO L129 PetriNetUnfolder]: 7/84 cut-off events. [2021-03-26 09:28:58,099 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 09:28:58,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 84 events. 7/84 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 175 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2021-03-26 09:28:58,106 INFO L142 LiptonReduction]: Number of co-enabled transitions 1764 [2021-03-26 09:28:58,963 INFO L154 LiptonReduction]: Checked pairs total: 5051 [2021-03-26 09:28:58,963 INFO L156 LiptonReduction]: Total number of compositions: 36 [2021-03-26 09:28:58,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 873 [2021-03-26 09:28:58,972 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-03-26 09:28:58,972 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 09:28:58,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:28:58,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:28:58,972 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 09:28:58,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:28:58,972 INFO L82 PathProgramCache]: Analyzing trace with hash 999374052, now seen corresponding path program 1 times [2021-03-26 09:28:58,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:28:58,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561949816] [2021-03-26 09:28:58,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:28:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:28:59,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:28:59,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:59,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:28:59,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:59,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:28:59,039 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:28:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:28:59,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:28:59,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:28:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:28:59,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561949816] [2021-03-26 09:28:59,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:28:59,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:28:59,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372239392] [2021-03-26 09:28:59,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:28:59,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:28:59,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:28:59,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:28:59,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 103 [2021-03-26 09:28:59,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 58.4) internal successors, (292), 5 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:59,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:28:59,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 103 [2021-03-26 09:28:59,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:28:59,140 INFO L129 PetriNetUnfolder]: 35/208 cut-off events. [2021-03-26 09:28:59,140 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 09:28:59,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 208 events. 35/208 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1145 event pairs, 6 based on Foata normal form. 114/281 useless extension candidates. Maximal degree in co-relation 286. Up to 40 conditions per place. [2021-03-26 09:28:59,142 INFO L132 encePairwiseOnDemand]: 90/103 looper letters, 21 selfloop transitions, 18 changer transitions 0/61 dead transitions. [2021-03-26 09:28:59,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 61 transitions, 212 flow [2021-03-26 09:28:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:28:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:28:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 465 transitions. [2021-03-26 09:28:59,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6449375866851595 [2021-03-26 09:28:59,144 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 465 transitions. [2021-03-26 09:28:59,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 465 transitions. [2021-03-26 09:28:59,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:28:59,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 465 transitions. [2021-03-26 09:28:59,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 66.42857142857143) internal successors, (465), 7 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:59,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:59,149 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 103.0) internal successors, (824), 8 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:59,149 INFO L185 Difference]: Start difference. First operand has 43 places, 41 transitions, 94 flow. Second operand 7 states and 465 transitions. [2021-03-26 09:28:59,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 61 transitions, 212 flow [2021-03-26 09:28:59,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 61 transitions, 210 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-26 09:28:59,150 INFO L241 Difference]: Finished difference. Result has 50 places, 52 transitions, 212 flow [2021-03-26 09:28:59,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=212, PETRI_PLACES=50, PETRI_TRANSITIONS=52} [2021-03-26 09:28:59,150 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2021-03-26 09:28:59,151 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:28:59,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 52 transitions, 212 flow [2021-03-26 09:28:59,151 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 52 transitions, 212 flow [2021-03-26 09:28:59,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 52 transitions, 212 flow [2021-03-26 09:28:59,160 INFO L129 PetriNetUnfolder]: 14/157 cut-off events. [2021-03-26 09:28:59,160 INFO L130 PetriNetUnfolder]: For 51/52 co-relation queries the response was YES. [2021-03-26 09:28:59,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 157 events. 14/157 cut-off events. For 51/52 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 843 event pairs, 1 based on Foata normal form. 1/137 useless extension candidates. Maximal degree in co-relation 246. Up to 15 conditions per place. [2021-03-26 09:28:59,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 770 [2021-03-26 09:28:59,586 INFO L154 LiptonReduction]: Checked pairs total: 1758 [2021-03-26 09:28:59,586 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 09:28:59,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 435 [2021-03-26 09:28:59,587 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 208 flow [2021-03-26 09:28:59,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 58.4) internal successors, (292), 5 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:28:59,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:28:59,587 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1] [2021-03-26 09:28:59,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 09:28:59,587 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 09:28:59,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:28:59,588 INFO L82 PathProgramCache]: Analyzing trace with hash -326956002, now seen corresponding path program 1 times [2021-03-26 09:28:59,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:28:59,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376069551] [2021-03-26 09:28:59,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:28:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:28:59,596 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:28:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:28:59,602 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:28:59,605 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 09:28:59,605 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 09:28:59,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 09:28:59,605 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 09:28:59,606 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-26 09:28:59,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:28:59,624 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:28:59,624 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 09:28:59,625 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:28:59,625 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:28:59,625 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:28:59,625 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:28:59,625 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:28:59,625 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:28:59,625 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:28:59,625 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:28:59,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 199 flow [2021-03-26 09:28:59,632 INFO L129 PetriNetUnfolder]: 10/115 cut-off events. [2021-03-26 09:28:59,632 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 09:28:59,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 115 events. 10/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 306 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 88. Up to 8 conditions per place. [2021-03-26 09:28:59,633 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 89 transitions, 199 flow [2021-03-26 09:28:59,634 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 89 transitions, 199 flow [2021-03-26 09:28:59,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:28:59,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 89 transitions, 199 flow [2021-03-26 09:28:59,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 89 transitions, 199 flow [2021-03-26 09:28:59,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 199 flow [2021-03-26 09:28:59,639 INFO L129 PetriNetUnfolder]: 10/115 cut-off events. [2021-03-26 09:28:59,639 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 09:28:59,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 115 events. 10/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 314 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 88. Up to 8 conditions per place. [2021-03-26 09:28:59,642 INFO L142 LiptonReduction]: Number of co-enabled transitions 4032 [2021-03-26 09:29:00,675 INFO L154 LiptonReduction]: Checked pairs total: 12563 [2021-03-26 09:29:00,675 INFO L156 LiptonReduction]: Total number of compositions: 41 [2021-03-26 09:29:00,676 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1042 [2021-03-26 09:29:00,679 INFO L129 PetriNetUnfolder]: 1/31 cut-off events. [2021-03-26 09:29:00,680 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 09:29:00,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:00,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:29:00,680 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 09:29:00,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:00,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1919583285, now seen corresponding path program 1 times [2021-03-26 09:29:00,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:00,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201119694] [2021-03-26 09:29:00,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:29:00,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:00,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:00,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:00,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:00,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:00,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:00,734 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:29:00,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:29:00,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:29:00,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201119694] [2021-03-26 09:29:00,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:29:00,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:29:00,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552945910] [2021-03-26 09:29:00,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:29:00,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:29:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:29:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:29:00,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 130 [2021-03-26 09:29:00,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:00,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:29:00,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 130 [2021-03-26 09:29:00,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:29:00,916 INFO L129 PetriNetUnfolder]: 542/1717 cut-off events. [2021-03-26 09:29:00,916 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 09:29:00,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 1717 events. 542/1717 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 15048 event pairs, 144 based on Foata normal form. 1063/2478 useless extension candidates. Maximal degree in co-relation 2608. Up to 453 conditions per place. [2021-03-26 09:29:00,927 INFO L132 encePairwiseOnDemand]: 112/130 looper letters, 42 selfloop transitions, 18 changer transitions 0/91 dead transitions. [2021-03-26 09:29:00,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 91 transitions, 323 flow [2021-03-26 09:29:00,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:29:00,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:29:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2021-03-26 09:29:00,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7115384615384616 [2021-03-26 09:29:00,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2021-03-26 09:29:00,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2021-03-26 09:29:00,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:29:00,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2021-03-26 09:29:00,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:00,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:00,934 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:00,934 INFO L185 Difference]: Start difference. First operand has 61 places, 60 transitions, 141 flow. Second operand 6 states and 555 transitions. [2021-03-26 09:29:00,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 91 transitions, 323 flow [2021-03-26 09:29:00,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 91 transitions, 317 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-26 09:29:00,937 INFO L241 Difference]: Finished difference. Result has 62 places, 70 transitions, 260 flow [2021-03-26 09:29:00,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=260, PETRI_PLACES=62, PETRI_TRANSITIONS=70} [2021-03-26 09:29:00,937 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2021-03-26 09:29:00,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:00,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 70 transitions, 260 flow [2021-03-26 09:29:00,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 70 transitions, 260 flow [2021-03-26 09:29:00,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 70 transitions, 260 flow [2021-03-26 09:29:00,970 INFO L129 PetriNetUnfolder]: 121/670 cut-off events. [2021-03-26 09:29:00,970 INFO L130 PetriNetUnfolder]: For 181/197 co-relation queries the response was YES. [2021-03-26 09:29:00,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 670 events. 121/670 cut-off events. For 181/197 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5359 event pairs, 28 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 1118. Up to 98 conditions per place. [2021-03-26 09:29:00,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 2120 [2021-03-26 09:29:01,459 INFO L154 LiptonReduction]: Checked pairs total: 4137 [2021-03-26 09:29:01,460 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 09:29:01,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-03-26 09:29:01,460 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 68 transitions, 256 flow [2021-03-26 09:29:01,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:01,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:29:01,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 09:29:01,461 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 09:29:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:01,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2086850128, now seen corresponding path program 1 times [2021-03-26 09:29:01,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:01,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245496449] [2021-03-26 09:29:01,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:29:01,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:01,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:01,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:01,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:01,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:01,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:29:01,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245496449] [2021-03-26 09:29:01,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:29:01,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:29:01,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328374831] [2021-03-26 09:29:01,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:29:01,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:29:01,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:29:01,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:29:01,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 132 [2021-03-26 09:29:01,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 68 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:29:01,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 132 [2021-03-26 09:29:01,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:29:01,571 INFO L129 PetriNetUnfolder]: 219/1042 cut-off events. [2021-03-26 09:29:01,571 INFO L130 PetriNetUnfolder]: For 225/268 co-relation queries the response was YES. [2021-03-26 09:29:01,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1896 conditions, 1042 events. 219/1042 cut-off events. For 225/268 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9356 event pairs, 52 based on Foata normal form. 35/895 useless extension candidates. Maximal degree in co-relation 1871. Up to 177 conditions per place. [2021-03-26 09:29:01,578 INFO L132 encePairwiseOnDemand]: 122/132 looper letters, 9 selfloop transitions, 7 changer transitions 0/74 dead transitions. [2021-03-26 09:29:01,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 300 flow [2021-03-26 09:29:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:29:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:29:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2021-03-26 09:29:01,579 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7373737373737373 [2021-03-26 09:29:01,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2021-03-26 09:29:01,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2021-03-26 09:29:01,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:29:01,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2021-03-26 09:29:01,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,581 INFO L185 Difference]: Start difference. First operand has 60 places, 68 transitions, 256 flow. Second operand 3 states and 292 transitions. [2021-03-26 09:29:01,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 300 flow [2021-03-26 09:29:01,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 74 transitions, 300 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 09:29:01,586 INFO L241 Difference]: Finished difference. Result has 64 places, 74 transitions, 314 flow [2021-03-26 09:29:01,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=64, PETRI_TRANSITIONS=74} [2021-03-26 09:29:01,586 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 3 predicate places. [2021-03-26 09:29:01,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:01,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 74 transitions, 314 flow [2021-03-26 09:29:01,586 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 74 transitions, 314 flow [2021-03-26 09:29:01,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 74 transitions, 314 flow [2021-03-26 09:29:01,646 INFO L129 PetriNetUnfolder]: 211/1042 cut-off events. [2021-03-26 09:29:01,646 INFO L130 PetriNetUnfolder]: For 252/268 co-relation queries the response was YES. [2021-03-26 09:29:01,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1991 conditions, 1042 events. 211/1042 cut-off events. For 252/268 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9434 event pairs, 50 based on Foata normal form. 0/875 useless extension candidates. Maximal degree in co-relation 1964. Up to 170 conditions per place. [2021-03-26 09:29:01,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 2224 [2021-03-26 09:29:01,686 INFO L154 LiptonReduction]: Checked pairs total: 747 [2021-03-26 09:29:01,686 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:29:01,686 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-03-26 09:29:01,689 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions, 314 flow [2021-03-26 09:29:01,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:01,689 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:29:01,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 09:29:01,689 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 09:29:01,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:01,690 INFO L82 PathProgramCache]: Analyzing trace with hash 380855375, now seen corresponding path program 1 times [2021-03-26 09:29:01,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:01,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007853329] [2021-03-26 09:29:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:29:01,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:01,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:01,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:01,727 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:29:01,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:29:01,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:01,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 09:29:01,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007853329] [2021-03-26 09:29:01,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:29:01,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:29:01,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135698023] [2021-03-26 09:29:01,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:29:01,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:29:01,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:29:01,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:29:01,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 132 [2021-03-26 09:29:01,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 74 transitions, 314 flow. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:29:01,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 132 [2021-03-26 09:29:01,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:29:01,971 INFO L129 PetriNetUnfolder]: 700/2373 cut-off events. [2021-03-26 09:29:01,972 INFO L130 PetriNetUnfolder]: For 1409/1491 co-relation queries the response was YES. [2021-03-26 09:29:01,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5425 conditions, 2373 events. 700/2373 cut-off events. For 1409/1491 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 22753 event pairs, 214 based on Foata normal form. 99/2177 useless extension candidates. Maximal degree in co-relation 5369. Up to 577 conditions per place. [2021-03-26 09:29:01,984 INFO L132 encePairwiseOnDemand]: 121/132 looper letters, 50 selfloop transitions, 35 changer transitions 0/120 dead transitions. [2021-03-26 09:29:01,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 120 transitions, 675 flow [2021-03-26 09:29:01,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:29:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:29:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2021-03-26 09:29:01,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6565656565656566 [2021-03-26 09:29:01,986 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 520 transitions. [2021-03-26 09:29:01,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 520 transitions. [2021-03-26 09:29:01,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:29:01,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 520 transitions. [2021-03-26 09:29:01,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,988 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:01,988 INFO L185 Difference]: Start difference. First operand has 64 places, 74 transitions, 314 flow. Second operand 6 states and 520 transitions. [2021-03-26 09:29:01,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 120 transitions, 675 flow [2021-03-26 09:29:01,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 120 transitions, 661 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:29:01,994 INFO L241 Difference]: Finished difference. Result has 70 places, 94 transitions, 534 flow [2021-03-26 09:29:01,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=70, PETRI_TRANSITIONS=94} [2021-03-26 09:29:01,994 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 9 predicate places. [2021-03-26 09:29:01,994 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:01,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 94 transitions, 534 flow [2021-03-26 09:29:01,995 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 94 transitions, 534 flow [2021-03-26 09:29:01,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 94 transitions, 534 flow [2021-03-26 09:29:02,070 INFO L129 PetriNetUnfolder]: 257/1314 cut-off events. [2021-03-26 09:29:02,071 INFO L130 PetriNetUnfolder]: For 1075/1119 co-relation queries the response was YES. [2021-03-26 09:29:02,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2745 conditions, 1314 events. 257/1314 cut-off events. For 1075/1119 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 12589 event pairs, 60 based on Foata normal form. 4/1108 useless extension candidates. Maximal degree in co-relation 2715. Up to 209 conditions per place. [2021-03-26 09:29:02,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 2680 [2021-03-26 09:29:02,147 INFO L154 LiptonReduction]: Checked pairs total: 726 [2021-03-26 09:29:02,147 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:29:02,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-03-26 09:29:02,148 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 534 flow [2021-03-26 09:29:02,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:02,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:02,148 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1] [2021-03-26 09:29:02,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 09:29:02,148 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 09:29:02,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:02,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1712430548, now seen corresponding path program 1 times [2021-03-26 09:29:02,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:02,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831535144] [2021-03-26 09:29:02,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:29:02,165 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:29:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:29:02,175 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:29:02,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 09:29:02,181 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 09:29:02,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 09:29:02,182 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 09:29:02,182 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:29:02,208 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:29:02,208 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 09:29:02,209 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:29:02,209 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:29:02,209 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:29:02,209 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:29:02,209 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:29:02,209 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:29:02,209 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:29:02,209 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:29:02,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 254 flow [2021-03-26 09:29:02,219 INFO L129 PetriNetUnfolder]: 13/146 cut-off events. [2021-03-26 09:29:02,219 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 09:29:02,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 146 events. 13/146 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 441 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 123. Up to 10 conditions per place. [2021-03-26 09:29:02,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 111 transitions, 254 flow [2021-03-26 09:29:02,221 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 111 transitions, 254 flow [2021-03-26 09:29:02,221 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:02,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 111 transitions, 254 flow [2021-03-26 09:29:02,221 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 111 transitions, 254 flow [2021-03-26 09:29:02,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 254 flow [2021-03-26 09:29:02,230 INFO L129 PetriNetUnfolder]: 13/146 cut-off events. [2021-03-26 09:29:02,230 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 09:29:02,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 146 events. 13/146 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 448 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 123. Up to 10 conditions per place. [2021-03-26 09:29:02,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 7224 [2021-03-26 09:29:03,315 INFO L154 LiptonReduction]: Checked pairs total: 19134 [2021-03-26 09:29:03,315 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-26 09:29:03,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1094 [2021-03-26 09:29:03,318 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 09:29:03,318 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 09:29:03,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:03,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:29:03,318 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:29:03,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:03,318 INFO L82 PathProgramCache]: Analyzing trace with hash -940810851, now seen corresponding path program 1 times [2021-03-26 09:29:03,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:03,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607829568] [2021-03-26 09:29:03,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:29:03,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:03,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:03,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:03,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:03,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:03,349 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:29:03,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:29:03,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:29:03,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607829568] [2021-03-26 09:29:03,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:29:03,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:29:03,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886040912] [2021-03-26 09:29:03,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:29:03,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:29:03,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:29:03,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:29:03,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 159 [2021-03-26 09:29:03,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 94.4) internal successors, (472), 5 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:03,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:29:03,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 159 [2021-03-26 09:29:03,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:29:04,376 INFO L129 PetriNetUnfolder]: 6735/15358 cut-off events. [2021-03-26 09:29:04,377 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-03-26 09:29:04,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24775 conditions, 15358 events. 6735/15358 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 1103. Compared 164196 event pairs, 1845 based on Foata normal form. 7773/20576 useless extension candidates. Maximal degree in co-relation 24729. Up to 4519 conditions per place. [2021-03-26 09:29:04,473 INFO L132 encePairwiseOnDemand]: 137/159 looper letters, 63 selfloop transitions, 34 changer transitions 0/138 dead transitions. [2021-03-26 09:29:04,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 138 transitions, 502 flow [2021-03-26 09:29:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:29:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:29:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 799 transitions. [2021-03-26 09:29:04,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7178796046720575 [2021-03-26 09:29:04,475 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 799 transitions. [2021-03-26 09:29:04,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 799 transitions. [2021-03-26 09:29:04,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:29:04,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 799 transitions. [2021-03-26 09:29:04,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:04,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:04,478 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:04,478 INFO L185 Difference]: Start difference. First operand has 79 places, 76 transitions, 184 flow. Second operand 7 states and 799 transitions. [2021-03-26 09:29:04,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 138 transitions, 502 flow [2021-03-26 09:29:04,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 138 transitions, 490 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-26 09:29:04,481 INFO L241 Difference]: Finished difference. Result has 81 places, 104 transitions, 430 flow [2021-03-26 09:29:04,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=430, PETRI_PLACES=81, PETRI_TRANSITIONS=104} [2021-03-26 09:29:04,482 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 2 predicate places. [2021-03-26 09:29:04,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:04,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 104 transitions, 430 flow [2021-03-26 09:29:04,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 104 transitions, 430 flow [2021-03-26 09:29:04,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 104 transitions, 430 flow [2021-03-26 09:29:04,688 INFO L129 PetriNetUnfolder]: 1431/4261 cut-off events. [2021-03-26 09:29:04,688 INFO L130 PetriNetUnfolder]: For 2221/2668 co-relation queries the response was YES. [2021-03-26 09:29:04,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8794 conditions, 4261 events. 1431/4261 cut-off events. For 2221/2668 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 42851 event pairs, 213 based on Foata normal form. 18/3660 useless extension candidates. Maximal degree in co-relation 8765. Up to 740 conditions per place. [2021-03-26 09:29:04,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 4898 [2021-03-26 09:29:17,542 INFO L154 LiptonReduction]: Checked pairs total: 9162 [2021-03-26 09:29:17,543 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 09:29:17,543 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13061 [2021-03-26 09:29:17,543 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 102 transitions, 426 flow [2021-03-26 09:29:17,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 94.4) internal successors, (472), 5 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:17,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:17,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:29:17,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 09:29:17,544 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:29:17,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:17,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2146529224, now seen corresponding path program 1 times [2021-03-26 09:29:17,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:17,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248714023] [2021-03-26 09:29:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:29:17,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:17,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:17,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:17,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:17,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 09:29:17,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248714023] [2021-03-26 09:29:17,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:29:17,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:29:17,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616445534] [2021-03-26 09:29:17,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:29:17,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:29:17,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:29:17,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:29:17,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-26 09:29:17,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 102 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:17,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:29:17,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-26 09:29:17,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:29:18,321 INFO L129 PetriNetUnfolder]: 3728/11162 cut-off events. [2021-03-26 09:29:18,321 INFO L130 PetriNetUnfolder]: For 3186/3803 co-relation queries the response was YES. [2021-03-26 09:29:18,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21741 conditions, 11162 events. 3728/11162 cut-off events. For 3186/3803 co-relation queries the response was YES. Maximal size of possible extension queue 901. Compared 135096 event pairs, 963 based on Foata normal form. 488/9659 useless extension candidates. Maximal degree in co-relation 21712. Up to 2226 conditions per place. [2021-03-26 09:29:18,407 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 12 selfloop transitions, 9 changer transitions 0/110 dead transitions. [2021-03-26 09:29:18,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 110 transitions, 484 flow [2021-03-26 09:29:18,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:29:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:29:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2021-03-26 09:29:18,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7474120082815735 [2021-03-26 09:29:18,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2021-03-26 09:29:18,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2021-03-26 09:29:18,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:29:18,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2021-03-26 09:29:18,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:18,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:18,410 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:18,410 INFO L185 Difference]: Start difference. First operand has 79 places, 102 transitions, 426 flow. Second operand 3 states and 361 transitions. [2021-03-26 09:29:18,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 110 transitions, 484 flow [2021-03-26 09:29:18,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 110 transitions, 484 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 09:29:18,423 INFO L241 Difference]: Finished difference. Result has 83 places, 110 transitions, 502 flow [2021-03-26 09:29:18,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=83, PETRI_TRANSITIONS=110} [2021-03-26 09:29:18,423 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2021-03-26 09:29:18,423 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:18,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 110 transitions, 502 flow [2021-03-26 09:29:18,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 110 transitions, 502 flow [2021-03-26 09:29:18,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 110 transitions, 502 flow [2021-03-26 09:29:19,100 INFO L129 PetriNetUnfolder]: 3763/11329 cut-off events. [2021-03-26 09:29:19,101 INFO L130 PetriNetUnfolder]: For 3587/4082 co-relation queries the response was YES. [2021-03-26 09:29:19,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23202 conditions, 11329 events. 3763/11329 cut-off events. For 3587/4082 co-relation queries the response was YES. Maximal size of possible extension queue 845. Compared 136675 event pairs, 790 based on Foata normal form. 19/9306 useless extension candidates. Maximal degree in co-relation 23171. Up to 2358 conditions per place. [2021-03-26 09:29:19,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 5664 [2021-03-26 09:29:40,385 INFO L154 LiptonReduction]: Checked pairs total: 2370 [2021-03-26 09:29:40,386 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 09:29:40,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21963 [2021-03-26 09:29:40,386 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 109 transitions, 500 flow [2021-03-26 09:29:40,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:40,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:29:40,387 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:29:40,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 09:29:40,387 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:29:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:29:40,387 INFO L82 PathProgramCache]: Analyzing trace with hash -16138133, now seen corresponding path program 1 times [2021-03-26 09:29:40,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:29:40,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054784818] [2021-03-26 09:29:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:29:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:29:40,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:40,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:40,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:40,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:40,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:29:40,416 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:29:40,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:29:40,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:29:40,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:29:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 09:29:40,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054784818] [2021-03-26 09:29:40,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:29:40,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:29:40,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674109236] [2021-03-26 09:29:40,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:29:40,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:29:40,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:29:40,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:29:40,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 162 [2021-03-26 09:29:40,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 109 transitions, 500 flow. Second operand has 5 states, 5 states have (on average 94.4) internal successors, (472), 5 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:40,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:29:40,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 162 [2021-03-26 09:29:40,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:29:43,022 INFO L129 PetriNetUnfolder]: 12161/31666 cut-off events. [2021-03-26 09:29:43,022 INFO L130 PetriNetUnfolder]: For 23856/25284 co-relation queries the response was YES. [2021-03-26 09:29:43,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76581 conditions, 31666 events. 12161/31666 cut-off events. For 23856/25284 co-relation queries the response was YES. Maximal size of possible extension queue 2044. Compared 408274 event pairs, 3258 based on Foata normal form. 1109/28591 useless extension candidates. Maximal degree in co-relation 76520. Up to 7118 conditions per place. [2021-03-26 09:29:43,258 INFO L132 encePairwiseOnDemand]: 148/162 looper letters, 90 selfloop transitions, 55 changer transitions 0/191 dead transitions. [2021-03-26 09:29:43,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 191 transitions, 1171 flow [2021-03-26 09:29:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:29:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:29:43,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 645 transitions. [2021-03-26 09:29:43,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6635802469135802 [2021-03-26 09:29:43,260 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 645 transitions. [2021-03-26 09:29:43,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 645 transitions. [2021-03-26 09:29:43,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:29:43,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 645 transitions. [2021-03-26 09:29:43,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:43,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 162.0) internal successors, (1134), 7 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:43,263 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 162.0) internal successors, (1134), 7 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:29:43,263 INFO L185 Difference]: Start difference. First operand has 82 places, 109 transitions, 500 flow. Second operand 6 states and 645 transitions. [2021-03-26 09:29:43,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 191 transitions, 1171 flow [2021-03-26 09:29:43,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 191 transitions, 1153 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:29:43,355 INFO L241 Difference]: Finished difference. Result has 88 places, 142 transitions, 868 flow [2021-03-26 09:29:43,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=868, PETRI_PLACES=88, PETRI_TRANSITIONS=142} [2021-03-26 09:29:43,355 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 9 predicate places. [2021-03-26 09:29:43,355 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:29:43,355 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 142 transitions, 868 flow [2021-03-26 09:29:43,355 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 142 transitions, 868 flow [2021-03-26 09:29:43,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 142 transitions, 868 flow [2021-03-26 09:29:43,795 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([620] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][131], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 33#L719true, Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 105#L724true, 139#(= ~count~0 0), 75#L724-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 79#L724-4true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 117#(= ~count~0 0), Black: 115#true, 31#L733-3true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:29:43,795 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-26 09:29:43,795 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 09:29:43,795 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 09:29:43,795 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-26 09:29:43,982 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L724-1-->L2-5: Formula: (and (= (mod v_~COND~0_7 256) |v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|) (= v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5 |v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|) (not (= v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5 0))) InVars {~COND~0=v_~COND~0_7} OutVars{thr1Thread1of4ForFork0_assume_abort_if_not_~cond=v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5, thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond=|v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|, ~COND~0=v_~COND~0_7} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_assume_abort_if_not_~cond, thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond][70], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 96#L721-1true, Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), 65#L2-5true, Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 137#true, 75#L724-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, Black: 139#(= ~count~0 0), 17#L721-1true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), thr1Thread4of4ForFork0InUse, Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 115#true, Black: 117#(= ~count~0 0), 31#L733-3true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:29:43,982 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-26 09:29:43,982 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-26 09:29:43,982 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-26 09:29:43,982 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-26 09:29:44,396 INFO L129 PetriNetUnfolder]: 5255/16329 cut-off events. [2021-03-26 09:29:44,396 INFO L130 PetriNetUnfolder]: For 15221/15997 co-relation queries the response was YES. [2021-03-26 09:29:44,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35944 conditions, 16329 events. 5255/16329 cut-off events. For 15221/15997 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 211391 event pairs, 1111 based on Foata normal form. 41/13617 useless extension candidates. Maximal degree in co-relation 35911. Up to 3015 conditions per place. [2021-03-26 09:29:44,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 7342 [2021-03-26 09:30:11,804 INFO L154 LiptonReduction]: Checked pairs total: 1305 [2021-03-26 09:30:11,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:30:11,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28450 [2021-03-26 09:30:11,805 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 142 transitions, 868 flow [2021-03-26 09:30:11,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 94.4) internal successors, (472), 5 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:30:11,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:30:11,805 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:30:11,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 09:30:11,806 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:30:11,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:30:11,806 INFO L82 PathProgramCache]: Analyzing trace with hash 519400185, now seen corresponding path program 1 times [2021-03-26 09:30:11,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:30:11,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786158295] [2021-03-26 09:30:11,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:30:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:30:11,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:30:11,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:30:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:30:11,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:30:11,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:30:11,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:30:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:30:11,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:30:11,839 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:30:11,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:30:11,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:30:11,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:30:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 09:30:11,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786158295] [2021-03-26 09:30:11,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:30:11,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 09:30:11,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001496367] [2021-03-26 09:30:11,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:30:11,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:30:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:30:11,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:30:11,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 162 [2021-03-26 09:30:11,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 142 transitions, 868 flow. Second operand has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:30:11,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:30:11,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 162 [2021-03-26 09:30:11,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:30:15,197 INFO L129 PetriNetUnfolder]: 14665/38654 cut-off events. [2021-03-26 09:30:15,197 INFO L130 PetriNetUnfolder]: For 55728/57749 co-relation queries the response was YES. [2021-03-26 09:30:15,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99943 conditions, 38654 events. 14665/38654 cut-off events. For 55728/57749 co-relation queries the response was YES. Maximal size of possible extension queue 2424. Compared 513611 event pairs, 3842 based on Foata normal form. 1209/35022 useless extension candidates. Maximal degree in co-relation 99869. Up to 7208 conditions per place. [2021-03-26 09:30:15,608 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 125 selfloop transitions, 98 changer transitions 0/267 dead transitions. [2021-03-26 09:30:15,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 267 transitions, 1898 flow [2021-03-26 09:30:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 09:30:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 09:30:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1518 transitions. [2021-03-26 09:30:15,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6246913580246913 [2021-03-26 09:30:15,611 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1518 transitions. [2021-03-26 09:30:15,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1518 transitions. [2021-03-26 09:30:15,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:30:15,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1518 transitions. [2021-03-26 09:30:15,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 101.2) internal successors, (1518), 15 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:30:15,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:30:15,617 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:30:15,617 INFO L185 Difference]: Start difference. First operand has 88 places, 142 transitions, 868 flow. Second operand 15 states and 1518 transitions. [2021-03-26 09:30:15,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 267 transitions, 1898 flow [2021-03-26 09:30:15,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 267 transitions, 1898 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 09:30:15,799 INFO L241 Difference]: Finished difference. Result has 108 places, 181 transitions, 1450 flow [2021-03-26 09:30:15,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1450, PETRI_PLACES=108, PETRI_TRANSITIONS=181} [2021-03-26 09:30:15,799 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 29 predicate places. [2021-03-26 09:30:15,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:30:15,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 181 transitions, 1450 flow [2021-03-26 09:30:15,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 181 transitions, 1450 flow [2021-03-26 09:30:15,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 181 transitions, 1450 flow [2021-03-26 09:30:17,463 INFO L129 PetriNetUnfolder]: 6119/19908 cut-off events. [2021-03-26 09:30:17,463 INFO L130 PetriNetUnfolder]: For 29822/31104 co-relation queries the response was YES. [2021-03-26 09:30:17,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48192 conditions, 19908 events. 6119/19908 cut-off events. For 29822/31104 co-relation queries the response was YES. Maximal size of possible extension queue 1507. Compared 270498 event pairs, 1388 based on Foata normal form. 36/16602 useless extension candidates. Maximal degree in co-relation 48151. Up to 3793 conditions per place. [2021-03-26 09:30:17,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 9218 [2021-03-26 09:31:10,022 INFO L154 LiptonReduction]: Checked pairs total: 2705 [2021-03-26 09:31:10,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:31:10,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54223 [2021-03-26 09:31:10,023 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 181 transitions, 1450 flow [2021-03-26 09:31:10,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:31:10,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:31:10,023 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:31:10,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 09:31:10,023 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:31:10,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:31:10,024 INFO L82 PathProgramCache]: Analyzing trace with hash -116668849, now seen corresponding path program 1 times [2021-03-26 09:31:10,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:31:10,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565616109] [2021-03-26 09:31:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:31:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:31:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:31:10,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:31:10,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:31:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:31:10,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:31:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:31:10,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:31:10,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:31:10,054 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:31:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:31:10,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:31:10,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:31:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 09:31:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565616109] [2021-03-26 09:31:10,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:31:10,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 09:31:10,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173640485] [2021-03-26 09:31:10,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:31:10,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:31:10,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:31:10,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:31:10,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 162 [2021-03-26 09:31:10,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 181 transitions, 1450 flow. Second operand has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:31:10,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:31:10,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 162 [2021-03-26 09:31:10,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:31:14,246 INFO L129 PetriNetUnfolder]: 16434/43860 cut-off events. [2021-03-26 09:31:14,247 INFO L130 PetriNetUnfolder]: For 101299/104062 co-relation queries the response was YES. [2021-03-26 09:31:14,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126120 conditions, 43860 events. 16434/43860 cut-off events. For 101299/104062 co-relation queries the response was YES. Maximal size of possible extension queue 2782. Compared 598651 event pairs, 4329 based on Foata normal form. 1235/39570 useless extension candidates. Maximal degree in co-relation 126034. Up to 8742 conditions per place. [2021-03-26 09:31:14,767 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 147 selfloop transitions, 102 changer transitions 0/293 dead transitions. [2021-03-26 09:31:14,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 293 transitions, 2587 flow [2021-03-26 09:31:14,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 09:31:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 09:31:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1123 transitions. [2021-03-26 09:31:14,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6301907968574635 [2021-03-26 09:31:14,769 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1123 transitions. [2021-03-26 09:31:14,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1123 transitions. [2021-03-26 09:31:14,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:31:14,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1123 transitions. [2021-03-26 09:31:14,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 102.0909090909091) internal successors, (1123), 11 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:31:14,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:31:14,773 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:31:14,773 INFO L185 Difference]: Start difference. First operand has 108 places, 181 transitions, 1450 flow. Second operand 11 states and 1123 transitions. [2021-03-26 09:31:14,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 293 transitions, 2587 flow [2021-03-26 09:31:15,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 293 transitions, 2516 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 09:31:15,117 INFO L241 Difference]: Finished difference. Result has 121 places, 208 transitions, 1924 flow [2021-03-26 09:31:15,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1386, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1924, PETRI_PLACES=121, PETRI_TRANSITIONS=208} [2021-03-26 09:31:15,118 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 42 predicate places. [2021-03-26 09:31:15,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:31:15,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 208 transitions, 1924 flow [2021-03-26 09:31:15,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 208 transitions, 1924 flow [2021-03-26 09:31:15,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 208 transitions, 1924 flow [2021-03-26 09:31:16,877 INFO L129 PetriNetUnfolder]: 6678/22122 cut-off events. [2021-03-26 09:31:16,877 INFO L130 PetriNetUnfolder]: For 49349/50458 co-relation queries the response was YES. [2021-03-26 09:31:16,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59616 conditions, 22122 events. 6678/22122 cut-off events. For 49349/50458 co-relation queries the response was YES. Maximal size of possible extension queue 1748. Compared 309168 event pairs, 1660 based on Foata normal form. 12/18543 useless extension candidates. Maximal degree in co-relation 59568. Up to 4069 conditions per place. [2021-03-26 09:31:17,192 INFO L142 LiptonReduction]: Number of co-enabled transitions 10794 [2021-03-26 09:32:54,507 INFO L154 LiptonReduction]: Checked pairs total: 3715 [2021-03-26 09:32:54,507 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:32:54,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99389 [2021-03-26 09:32:54,508 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 208 transitions, 1924 flow [2021-03-26 09:32:54,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:32:54,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:32:54,508 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:32:54,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 09:32:54,508 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:32:54,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:32:54,508 INFO L82 PathProgramCache]: Analyzing trace with hash 394398987, now seen corresponding path program 1 times [2021-03-26 09:32:54,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:32:54,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672725000] [2021-03-26 09:32:54,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:32:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:32:54,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:32:54,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:32:54,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:32:54,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:32:54,527 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 09:32:54,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 09:32:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:32:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:32:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-26 09:32:54,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672725000] [2021-03-26 09:32:54,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:32:54,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:32:54,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074734935] [2021-03-26 09:32:54,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:32:54,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:32:54,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:32:54,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:32:54,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 162 [2021-03-26 09:32:54,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 208 transitions, 1924 flow. Second operand has 5 states, 5 states have (on average 94.4) internal successors, (472), 5 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:32:54,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:32:54,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 162 [2021-03-26 09:32:54,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:33:00,650 INFO L129 PetriNetUnfolder]: 20645/54819 cut-off events. [2021-03-26 09:33:00,650 INFO L130 PetriNetUnfolder]: For 204817/207710 co-relation queries the response was YES. [2021-03-26 09:33:00,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175774 conditions, 54819 events. 20645/54819 cut-off events. For 204817/207710 co-relation queries the response was YES. Maximal size of possible extension queue 3534. Compared 766702 event pairs, 5460 based on Foata normal form. 1545/49739 useless extension candidates. Maximal degree in co-relation 175724. Up to 12267 conditions per place. [2021-03-26 09:33:01,195 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 175 selfloop transitions, 198 changer transitions 0/419 dead transitions. [2021-03-26 09:33:01,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 419 transitions, 4788 flow [2021-03-26 09:33:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:33:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:33:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 756 transitions. [2021-03-26 09:33:01,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-26 09:33:01,197 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 756 transitions. [2021-03-26 09:33:01,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 756 transitions. [2021-03-26 09:33:01,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:33:01,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 756 transitions. [2021-03-26 09:33:01,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:33:01,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:33:01,200 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:33:01,200 INFO L185 Difference]: Start difference. First operand has 121 places, 208 transitions, 1924 flow. Second operand 7 states and 756 transitions. [2021-03-26 09:33:01,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 419 transitions, 4788 flow [2021-03-26 09:33:02,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 419 transitions, 4336 flow, removed 36 selfloop flow, removed 5 redundant places. [2021-03-26 09:33:02,218 INFO L241 Difference]: Finished difference. Result has 126 places, 329 transitions, 3687 flow [2021-03-26 09:33:02,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1704, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3687, PETRI_PLACES=126, PETRI_TRANSITIONS=329} [2021-03-26 09:33:02,219 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 47 predicate places. [2021-03-26 09:33:02,219 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:33:02,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 329 transitions, 3687 flow [2021-03-26 09:33:02,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 329 transitions, 3687 flow [2021-03-26 09:33:02,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 329 transitions, 3687 flow [2021-03-26 09:33:02,313 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([683] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][177], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), 4#L724-4true, Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), 69#L724true, Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 105#L724true, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), thr1Thread1of4ForFork0InUse, Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), thr1Thread4of4ForFork0NotInUse, Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,313 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-26 09:33:02,313 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 09:33:02,313 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 09:33:02,313 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 09:33:02,621 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][110], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), 69#L724true, Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 79#L724-4true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 33#L719true, 105#L724true, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), thr1Thread1of4ForFork0InUse, Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,621 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,621 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,621 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,621 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][110], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), 69#L724true, Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 79#L724-4true, Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 33#L719true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), 53#L721true, Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,628 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][226], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), 69#L724true, Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 78#L719-1true, 79#L724-4true, Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 156#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), 31#L733-3true, 33#L719true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 115#true, Black: 117#(= ~count~0 0), Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,628 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,628 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,633 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([662] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][181], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), 69#L724true, Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 25#L720true, 31#L733-3true, 97#L724-4true, 33#L719true, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), thr1Thread1of4ForFork0InUse, Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,633 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,633 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,633 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,633 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,768 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([662] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][181], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), 69#L724true, Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 97#L724-4true, 33#L719true, 103#L721true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,768 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,768 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,768 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,769 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,770 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][110], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), 69#L724true, Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 79#L724-4true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 33#L719true, 105#L724true, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), thr1Thread1of4ForFork0InUse, Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,770 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,770 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,770 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,770 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,770 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,772 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([620] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][166], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 75#L724-4true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 25#L720true, 31#L733-3true, 33#L719true, 105#L724true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,772 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,772 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,772 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,772 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-26 09:33:02,849 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][110], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 79#L724-4true, Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 30#L721true, 31#L733-3true, 33#L719true, 105#L724true, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), thr1Thread1of4ForFork0InUse, Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:02,849 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,849 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,849 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:02,849 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:03,026 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([620] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][166], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 75#L724-4true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 33#L719true, 103#L721true, 105#L724true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:03,026 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-26 09:33:03,026 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:03,026 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:03,026 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-26 09:33:03,028 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][110], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), 69#L724true, Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 79#L724-4true, Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 33#L719true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 51#L721-1true, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:03,028 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,028 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,028 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,028 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,285 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([641] L721-1-->L724-4: Formula: (= v_~count~0_4 0) InVars {} OutVars{~count~0=v_~count~0_4} AuxVars[] AssignedVars[~count~0][110], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), Black: 192#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (= ~count~0 0)), Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 182#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 183#(and (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1)), Black: 184#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 190#(and (<= ~count~0 2) (<= 1 |thr1Thread1of4ForFork0_Barrier2_#t~post6|) (<= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 201#(= ~count~0 0), 79#L724-4true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), Black: 202#(= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0), Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 203#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 207#(and (<= ~count~0 1) (= |thr1Thread3of4ForFork0_Barrier2_#t~post6| 0) (< 0 (+ (div ~count~0 4294967296) 1))), 150#(= ~count~0 0), 31#L733-3true, 32#L721-1true, 33#L719true, 105#L724true, thr1Thread1of4ForFork0InUse, Black: 164#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 166#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread2of4ForFork0InUse, Black: 152#(and (<= ~count~0 1) (<= 1 ~count~0)), Black: 153#(and (<= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 1) (<= 1 |thr1Thread2of4ForFork0_Barrier2_#t~post6|)), thr1Thread3of4ForFork0InUse, Black: 154#(and (<= ~count~0 2) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 158#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (<= 1 ~count~0)), thr1Thread4of4ForFork0InUse, 180#(= ~count~0 0), 117#(= ~count~0 0), Black: 115#true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-26 09:33:03,285 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,285 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,285 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 09:33:03,285 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-26 09:33:05,437 INFO L129 PetriNetUnfolder]: 11095/34770 cut-off events. [2021-03-26 09:33:05,437 INFO L130 PetriNetUnfolder]: For 117584/119786 co-relation queries the response was YES. [2021-03-26 09:33:05,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101848 conditions, 34770 events. 11095/34770 cut-off events. For 117584/119786 co-relation queries the response was YES. Maximal size of possible extension queue 2692. Compared 504751 event pairs, 2119 based on Foata normal form. 187/29196 useless extension candidates. Maximal degree in co-relation 101796. Up to 6273 conditions per place. [2021-03-26 09:33:06,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 15324 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown