/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-RepeatedSemanticLbe.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 [2021-03-25 13:52:17,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 13:52:17,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 13:52:17,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 13:52:17,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 13:52:17,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 13:52:17,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 13:52:17,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 13:52:17,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 13:52:17,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 13:52:17,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 13:52:17,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 13:52:17,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 13:52:17,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 13:52:17,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 13:52:17,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 13:52:17,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 13:52:17,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 13:52:17,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 13:52:17,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 13:52:17,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 13:52:17,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 13:52:17,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 13:52:17,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 13:52:17,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 13:52:17,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 13:52:17,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 13:52:17,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 13:52:17,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 13:52:17,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 13:52:17,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 13:52:17,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 13:52:17,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 13:52:17,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 13:52:17,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 13:52:17,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 13:52:17,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 13:52:17,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 13:52:17,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 13:52:17,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 13:52:17,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 13:52:17,677 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-RepeatedSemanticLbe.epf [2021-03-25 13:52:17,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 13:52:17,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 13:52:17,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 13:52:17,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 13:52:17,719 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 13:52:17,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 13:52:17,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 13:52:17,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 13:52:17,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 13:52:17,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 13:52:17,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 13:52:17,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 13:52:17,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 13:52:17,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 13:52:17,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 13:52:17,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 13:52:17,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 13:52:17,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 13:52:17,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 13:52:17,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 13:52:17,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 13:52:17,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 13:52:17,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 13:52:17,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 13:52:18,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 13:52:18,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 13:52:18,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 13:52:18,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 13:52:18,043 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 13:52:18,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-03-25 13:52:18,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee54db42d/341e1338b37b4042b0545497dc78aeae/FLAG6a74950a6 [2021-03-25 13:52:18,789 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 13:52:18,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-03-25 13:52:18,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee54db42d/341e1338b37b4042b0545497dc78aeae/FLAG6a74950a6 [2021-03-25 13:52:19,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee54db42d/341e1338b37b4042b0545497dc78aeae [2021-03-25 13:52:19,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 13:52:19,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 13:52:19,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 13:52:19,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 13:52:19,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 13:52:19,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6eddd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19, skipping insertion in model container [2021-03-25 13:52:19,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 13:52:19,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 13:52:19,307 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 13:52:19,427 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] [2021-03-25 13:52:19,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 13:52:19,444 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 13:52:19,469 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 13:52:19,498 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] [2021-03-25 13:52:19,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 13:52:19,574 INFO L208 MainTranslator]: Completed translation [2021-03-25 13:52:19,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19 WrapperNode [2021-03-25 13:52:19,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 13:52:19,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 13:52:19,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 13:52:19,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 13:52:19,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 13:52:19,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 13:52:19,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 13:52:19,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 13:52:19,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (1/1) ... [2021-03-25 13:52:19,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 13:52:19,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 13:52:19,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 13:52:19,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 13:52:19,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (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 [2021-03-25 13:52:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-25 13:52:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-25 13:52:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 13:52:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 13:52:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 13:52:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 13:52:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 13:52:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 13:52:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 13:52:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 13:52:19,750 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 13:52:20,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 13:52:20,156 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 13:52:20,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 01:52:20 BoogieIcfgContainer [2021-03-25 13:52:20,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 13:52:20,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 13:52:20,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 13:52:20,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 13:52:20,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 01:52:19" (1/3) ... [2021-03-25 13:52:20,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afeb6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 01:52:20, skipping insertion in model container [2021-03-25 13:52:20,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 01:52:19" (2/3) ... [2021-03-25 13:52:20,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afeb6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 01:52:20, skipping insertion in model container [2021-03-25 13:52:20,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 01:52:20" (3/3) ... [2021-03-25 13:52:20,164 INFO L111 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2021-03-25 13:52:20,169 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 13:52:20,173 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 13:52:20,174 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 13:52:20,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:20,218 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 13:52:20,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-25 13:52:20,256 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 13:52:20,256 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 13:52:20,256 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 13:52:20,256 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 13:52:20,256 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 13:52:20,256 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 13:52:20,256 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 13:52:20,256 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 13:52:20,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 95 flow [2021-03-25 13:52:20,288 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 13:52:20,288 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 13:52:20,290 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. [2021-03-25 13:52:20,290 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 45 transitions, 95 flow [2021-03-25 13:52:20,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 45 transitions, 95 flow [2021-03-25 13:52:20,295 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:20,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 45 transitions, 95 flow [2021-03-25 13:52:20,308 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 45 transitions, 95 flow [2021-03-25 13:52:20,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 95 flow [2021-03-25 13:52:20,319 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 13:52:20,319 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 13:52:20,320 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. [2021-03-25 13:52:20,322 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 13:52:21,373 INFO L154 LiptonReduction]: Checked pairs total: 216 [2021-03-25 13:52:21,373 INFO L156 LiptonReduction]: Total number of compositions: 29 [2021-03-25 13:52:21,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1081 [2021-03-25 13:52:21,393 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-03-25 13:52:21,393 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 13:52:21,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:21,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:21,394 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:52:21,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:21,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1924869424, now seen corresponding path program 1 times [2021-03-25 13:52:21,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:21,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462632008] [2021-03-25 13:52:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:21,567 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:52:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:52:21,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 13:52:21,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462632008] [2021-03-25 13:52:21,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:21,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 13:52:21,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134751350] [2021-03-25 13:52:21,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 13:52:21,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:21,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 13:52:21,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 13:52:21,630 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 74 [2021-03-25 13:52:21,632 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) [2021-03-25 13:52:21,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:21,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 74 [2021-03-25 13:52:21,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:21,663 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 13:52:21,664 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 13:52:21,664 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. [2021-03-25 13:52:21,665 INFO L132 encePairwiseOnDemand]: 68/74 looper letters, 1 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2021-03-25 13:52:21,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 41 flow [2021-03-25 13:52:21,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 13:52:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 13:52:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 188 transitions. [2021-03-25 13:52:21,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6351351351351351 [2021-03-25 13:52:21,678 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 188 transitions. [2021-03-25 13:52:21,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 188 transitions. [2021-03-25 13:52:21,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:21,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 188 transitions. [2021-03-25 13:52:21,687 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) [2021-03-25 13:52:21,702 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) [2021-03-25 13:52:21,702 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) [2021-03-25 13:52:21,704 INFO L185 Difference]: Start difference. First operand has 22 places, 21 transitions, 47 flow. Second operand 4 states and 188 transitions. [2021-03-25 13:52:21,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 41 flow [2021-03-25 13:52:21,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 41 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 13:52:21,707 INFO L241 Difference]: Finished difference. Result has 21 places, 15 transitions, 39 flow [2021-03-25 13:52:21,709 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} [2021-03-25 13:52:21,709 INFO L343 CegarLoopForPetriNet]: 22 programPoint places, -1 predicate places. [2021-03-25 13:52:21,709 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:21,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 15 transitions, 39 flow [2021-03-25 13:52:21,710 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 15 transitions, 39 flow [2021-03-25 13:52:21,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 15 transitions, 39 flow [2021-03-25 13:52:21,716 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 13:52:21,717 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 13:52:21,717 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. [2021-03-25 13:52:21,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 13:52:22,364 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-03-25 13:52:22,849 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-25 13:52:22,849 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 13:52:22,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1141 [2021-03-25 13:52:22,851 INFO L480 AbstractCegarLoop]: Abstraction has has 15 places, 9 transitions, 29 flow [2021-03-25 13:52:22,851 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) [2021-03-25 13:52:22,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:22,851 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:22,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 13:52:22,851 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:52:22,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:22,852 INFO L82 PathProgramCache]: Analyzing trace with hash 456450159, now seen corresponding path program 1 times [2021-03-25 13:52:22,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:22,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238796934] [2021-03-25 13:52:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 13:52:22,871 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 13:52:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 13:52:22,884 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 13:52:22,899 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 13:52:22,899 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 13:52:22,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 13:52:22,901 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 13:52:22,901 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-25 13:52:22,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:22,920 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 13:52:22,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 13:52:22,921 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 13:52:22,921 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 13:52:22,921 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 13:52:22,921 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 13:52:22,921 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 13:52:22,921 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 13:52:22,921 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 13:52:22,922 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 13:52:22,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 146 flow [2021-03-25 13:52:22,933 INFO L129 PetriNetUnfolder]: 7/84 cut-off events. [2021-03-25 13:52:22,933 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 13:52:22,934 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. [2021-03-25 13:52:22,934 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 67 transitions, 146 flow [2021-03-25 13:52:22,935 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 67 transitions, 146 flow [2021-03-25 13:52:22,935 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:22,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 67 transitions, 146 flow [2021-03-25 13:52:22,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 67 transitions, 146 flow [2021-03-25 13:52:22,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 146 flow [2021-03-25 13:52:22,944 INFO L129 PetriNetUnfolder]: 7/84 cut-off events. [2021-03-25 13:52:22,945 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 13:52:22,945 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. [2021-03-25 13:52:22,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 1764 [2021-03-25 13:52:24,027 INFO L154 LiptonReduction]: Checked pairs total: 5051 [2021-03-25 13:52:24,027 INFO L156 LiptonReduction]: Total number of compositions: 36 [2021-03-25 13:52:24,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1093 [2021-03-25 13:52:24,032 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-03-25 13:52:24,032 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 13:52:24,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:24,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:24,032 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 13:52:24,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:24,033 INFO L82 PathProgramCache]: Analyzing trace with hash 999374052, now seen corresponding path program 1 times [2021-03-25 13:52:24,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:24,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553561840] [2021-03-25 13:52:24,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:24,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:24,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:24,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:24,131 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:52:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:52:24,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:24,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 13:52:24,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553561840] [2021-03-25 13:52:24,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:24,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 13:52:24,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320113658] [2021-03-25 13:52:24,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 13:52:24,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:24,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 13:52:24,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 13:52:24,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 103 [2021-03-25 13:52:24,149 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) [2021-03-25 13:52:24,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:24,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 103 [2021-03-25 13:52:24,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:24,235 INFO L129 PetriNetUnfolder]: 35/208 cut-off events. [2021-03-25 13:52:24,235 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 13:52:24,236 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. [2021-03-25 13:52:24,237 INFO L132 encePairwiseOnDemand]: 90/103 looper letters, 21 selfloop transitions, 18 changer transitions 0/61 dead transitions. [2021-03-25 13:52:24,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 61 transitions, 212 flow [2021-03-25 13:52:24,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 13:52:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 13:52:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 465 transitions. [2021-03-25 13:52:24,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6449375866851595 [2021-03-25 13:52:24,241 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 465 transitions. [2021-03-25 13:52:24,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 465 transitions. [2021-03-25 13:52:24,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:24,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 465 transitions. [2021-03-25 13:52:24,243 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) [2021-03-25 13:52:24,245 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) [2021-03-25 13:52:24,245 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) [2021-03-25 13:52:24,245 INFO L185 Difference]: Start difference. First operand has 43 places, 41 transitions, 94 flow. Second operand 7 states and 465 transitions. [2021-03-25 13:52:24,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 61 transitions, 212 flow [2021-03-25 13:52:24,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 61 transitions, 210 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 13:52:24,247 INFO L241 Difference]: Finished difference. Result has 50 places, 52 transitions, 212 flow [2021-03-25 13:52:24,248 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} [2021-03-25 13:52:24,248 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2021-03-25 13:52:24,248 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:24,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 52 transitions, 212 flow [2021-03-25 13:52:24,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 52 transitions, 212 flow [2021-03-25 13:52:24,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 52 transitions, 212 flow [2021-03-25 13:52:24,260 INFO L129 PetriNetUnfolder]: 14/157 cut-off events. [2021-03-25 13:52:24,260 INFO L130 PetriNetUnfolder]: For 51/52 co-relation queries the response was YES. [2021-03-25 13:52:24,261 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. [2021-03-25 13:52:24,263 INFO L142 LiptonReduction]: Number of co-enabled transitions 770 [2021-03-25 13:52:24,535 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-03-25 13:52:24,774 INFO L154 LiptonReduction]: Checked pairs total: 1758 [2021-03-25 13:52:24,775 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 13:52:24,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 527 [2021-03-25 13:52:24,776 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 208 flow [2021-03-25 13:52:24,776 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) [2021-03-25 13:52:24,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:24,776 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:24,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 13:52:24,776 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 13:52:24,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:24,777 INFO L82 PathProgramCache]: Analyzing trace with hash -326956002, now seen corresponding path program 1 times [2021-03-25 13:52:24,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:24,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629061610] [2021-03-25 13:52:24,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 13:52:24,789 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 13:52:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 13:52:24,798 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 13:52:24,802 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 13:52:24,802 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 13:52:24,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 13:52:24,802 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 13:52:24,803 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:24,826 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 13:52:24,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 13:52:24,827 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 13:52:24,827 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 13:52:24,827 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 13:52:24,827 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 13:52:24,827 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 13:52:24,827 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 13:52:24,827 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 13:52:24,827 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 13:52:24,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 199 flow [2021-03-25 13:52:24,838 INFO L129 PetriNetUnfolder]: 10/115 cut-off events. [2021-03-25 13:52:24,838 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 13:52:24,839 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. [2021-03-25 13:52:24,839 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 89 transitions, 199 flow [2021-03-25 13:52:24,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 89 transitions, 199 flow [2021-03-25 13:52:24,840 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:24,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 89 transitions, 199 flow [2021-03-25 13:52:24,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 89 transitions, 199 flow [2021-03-25 13:52:24,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 199 flow [2021-03-25 13:52:24,850 INFO L129 PetriNetUnfolder]: 10/115 cut-off events. [2021-03-25 13:52:24,850 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 13:52:24,851 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. [2021-03-25 13:52:24,853 INFO L142 LiptonReduction]: Number of co-enabled transitions 4032 [2021-03-25 13:52:26,117 INFO L154 LiptonReduction]: Checked pairs total: 12563 [2021-03-25 13:52:26,117 INFO L156 LiptonReduction]: Total number of compositions: 41 [2021-03-25 13:52:26,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1277 [2021-03-25 13:52:26,120 INFO L129 PetriNetUnfolder]: 1/31 cut-off events. [2021-03-25 13:52:26,120 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 13:52:26,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:26,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:26,121 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 13:52:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:26,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1919583285, now seen corresponding path program 1 times [2021-03-25 13:52:26,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:26,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726309389] [2021-03-25 13:52:26,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:26,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:26,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:26,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:26,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:26,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:52:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:52:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 13:52:26,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726309389] [2021-03-25 13:52:26,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:26,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 13:52:26,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217794929] [2021-03-25 13:52:26,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 13:52:26,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:26,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 13:52:26,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 13:52:26,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 130 [2021-03-25 13:52:26,174 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) [2021-03-25 13:52:26,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:26,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 130 [2021-03-25 13:52:26,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:26,436 INFO L129 PetriNetUnfolder]: 542/1717 cut-off events. [2021-03-25 13:52:26,436 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-25 13:52:26,446 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. [2021-03-25 13:52:26,459 INFO L132 encePairwiseOnDemand]: 112/130 looper letters, 42 selfloop transitions, 18 changer transitions 0/91 dead transitions. [2021-03-25 13:52:26,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 91 transitions, 323 flow [2021-03-25 13:52:26,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 13:52:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 13:52:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2021-03-25 13:52:26,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7115384615384616 [2021-03-25 13:52:26,465 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2021-03-25 13:52:26,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2021-03-25 13:52:26,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:26,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2021-03-25 13:52:26,468 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) [2021-03-25 13:52:26,471 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) [2021-03-25 13:52:26,472 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) [2021-03-25 13:52:26,472 INFO L185 Difference]: Start difference. First operand has 61 places, 60 transitions, 141 flow. Second operand 6 states and 555 transitions. [2021-03-25 13:52:26,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 91 transitions, 323 flow [2021-03-25 13:52:26,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 91 transitions, 317 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 13:52:26,475 INFO L241 Difference]: Finished difference. Result has 62 places, 70 transitions, 260 flow [2021-03-25 13:52:26,476 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} [2021-03-25 13:52:26,476 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2021-03-25 13:52:26,476 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:26,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 70 transitions, 260 flow [2021-03-25 13:52:26,476 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 70 transitions, 260 flow [2021-03-25 13:52:26,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 70 transitions, 260 flow [2021-03-25 13:52:26,530 INFO L129 PetriNetUnfolder]: 121/670 cut-off events. [2021-03-25 13:52:26,531 INFO L130 PetriNetUnfolder]: For 181/197 co-relation queries the response was YES. [2021-03-25 13:52:26,535 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. [2021-03-25 13:52:26,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 2120 [2021-03-25 13:52:27,193 INFO L154 LiptonReduction]: Checked pairs total: 4137 [2021-03-25 13:52:27,193 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 13:52:27,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 717 [2021-03-25 13:52:27,194 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 68 transitions, 256 flow [2021-03-25 13:52:27,195 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) [2021-03-25 13:52:27,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:27,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:27,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 13:52:27,195 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 13:52:27,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:27,195 INFO L82 PathProgramCache]: Analyzing trace with hash -2086850128, now seen corresponding path program 1 times [2021-03-25 13:52:27,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:27,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424616457] [2021-03-25 13:52:27,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:27,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:27,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:27,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:27,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:27,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:27,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 13:52:27,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424616457] [2021-03-25 13:52:27,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:27,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 13:52:27,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880387917] [2021-03-25 13:52:27,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 13:52:27,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:27,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 13:52:27,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 13:52:27,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 132 [2021-03-25 13:52:27,251 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) [2021-03-25 13:52:27,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:27,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 132 [2021-03-25 13:52:27,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:27,347 INFO L129 PetriNetUnfolder]: 219/1042 cut-off events. [2021-03-25 13:52:27,347 INFO L130 PetriNetUnfolder]: For 225/268 co-relation queries the response was YES. [2021-03-25 13:52:27,351 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. [2021-03-25 13:52:27,356 INFO L132 encePairwiseOnDemand]: 122/132 looper letters, 9 selfloop transitions, 7 changer transitions 0/74 dead transitions. [2021-03-25 13:52:27,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 300 flow [2021-03-25 13:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 13:52:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 13:52:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2021-03-25 13:52:27,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7373737373737373 [2021-03-25 13:52:27,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2021-03-25 13:52:27,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2021-03-25 13:52:27,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:27,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2021-03-25 13:52:27,359 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) [2021-03-25 13:52:27,360 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) [2021-03-25 13:52:27,360 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) [2021-03-25 13:52:27,361 INFO L185 Difference]: Start difference. First operand has 60 places, 68 transitions, 256 flow. Second operand 3 states and 292 transitions. [2021-03-25 13:52:27,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 300 flow [2021-03-25 13:52:27,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 74 transitions, 300 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 13:52:27,365 INFO L241 Difference]: Finished difference. Result has 64 places, 74 transitions, 314 flow [2021-03-25 13:52:27,365 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} [2021-03-25 13:52:27,365 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 3 predicate places. [2021-03-25 13:52:27,365 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:27,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 74 transitions, 314 flow [2021-03-25 13:52:27,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 74 transitions, 314 flow [2021-03-25 13:52:27,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 74 transitions, 314 flow [2021-03-25 13:52:27,430 INFO L129 PetriNetUnfolder]: 211/1042 cut-off events. [2021-03-25 13:52:27,430 INFO L130 PetriNetUnfolder]: For 252/268 co-relation queries the response was YES. [2021-03-25 13:52:27,434 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. [2021-03-25 13:52:27,446 INFO L142 LiptonReduction]: Number of co-enabled transitions 2224 [2021-03-25 13:52:27,488 INFO L154 LiptonReduction]: Checked pairs total: 747 [2021-03-25 13:52:27,489 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 13:52:27,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-25 13:52:27,492 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions, 314 flow [2021-03-25 13:52:27,492 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) [2021-03-25 13:52:27,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:27,492 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:27,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 13:52:27,493 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 13:52:27,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:27,493 INFO L82 PathProgramCache]: Analyzing trace with hash 380855375, now seen corresponding path program 1 times [2021-03-25 13:52:27,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:27,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317637009] [2021-03-25 13:52:27,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:27,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:27,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:27,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:27,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:27,528 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:52:27,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:52:27,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:27,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 13:52:27,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317637009] [2021-03-25 13:52:27,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:27,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 13:52:27,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197968100] [2021-03-25 13:52:27,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 13:52:27,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:27,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 13:52:27,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 13:52:27,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 132 [2021-03-25 13:52:27,546 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) [2021-03-25 13:52:27,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:27,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 132 [2021-03-25 13:52:27,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:27,816 INFO L129 PetriNetUnfolder]: 700/2373 cut-off events. [2021-03-25 13:52:27,817 INFO L130 PetriNetUnfolder]: For 1409/1491 co-relation queries the response was YES. [2021-03-25 13:52:27,828 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. [2021-03-25 13:52:27,840 INFO L132 encePairwiseOnDemand]: 121/132 looper letters, 50 selfloop transitions, 35 changer transitions 0/120 dead transitions. [2021-03-25 13:52:27,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 120 transitions, 675 flow [2021-03-25 13:52:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 13:52:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 13:52:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2021-03-25 13:52:27,842 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6565656565656566 [2021-03-25 13:52:27,843 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 520 transitions. [2021-03-25 13:52:27,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 520 transitions. [2021-03-25 13:52:27,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:27,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 520 transitions. [2021-03-25 13:52:27,844 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) [2021-03-25 13:52:27,846 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) [2021-03-25 13:52:27,847 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) [2021-03-25 13:52:27,847 INFO L185 Difference]: Start difference. First operand has 64 places, 74 transitions, 314 flow. Second operand 6 states and 520 transitions. [2021-03-25 13:52:27,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 120 transitions, 675 flow [2021-03-25 13:52:27,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 120 transitions, 661 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 13:52:27,857 INFO L241 Difference]: Finished difference. Result has 70 places, 94 transitions, 534 flow [2021-03-25 13:52:27,857 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} [2021-03-25 13:52:27,857 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 9 predicate places. [2021-03-25 13:52:27,858 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:27,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 94 transitions, 534 flow [2021-03-25 13:52:27,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 94 transitions, 534 flow [2021-03-25 13:52:27,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 94 transitions, 534 flow [2021-03-25 13:52:27,981 INFO L129 PetriNetUnfolder]: 257/1314 cut-off events. [2021-03-25 13:52:27,981 INFO L130 PetriNetUnfolder]: For 1075/1119 co-relation queries the response was YES. [2021-03-25 13:52:27,987 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. [2021-03-25 13:52:28,007 INFO L142 LiptonReduction]: Number of co-enabled transitions 2680 [2021-03-25 13:52:28,078 INFO L154 LiptonReduction]: Checked pairs total: 726 [2021-03-25 13:52:28,078 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 13:52:28,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-03-25 13:52:28,084 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 534 flow [2021-03-25 13:52:28,084 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) [2021-03-25 13:52:28,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:28,084 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1] [2021-03-25 13:52:28,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 13:52:28,084 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 13:52:28,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:28,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1712430548, now seen corresponding path program 1 times [2021-03-25 13:52:28,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:28,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023793390] [2021-03-25 13:52:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 13:52:28,106 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 13:52:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 13:52:28,121 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 13:52:28,130 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 13:52:28,130 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 13:52:28,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 13:52:28,131 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 13:52:28,131 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-25 13:52:28,142 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,173 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 13:52:28,174 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 13:52:28,174 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 13:52:28,175 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 13:52:28,175 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 13:52:28,175 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 13:52:28,175 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 13:52:28,175 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 13:52:28,175 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 13:52:28,175 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 13:52:28,175 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 13:52:28,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 254 flow [2021-03-25 13:52:28,189 INFO L129 PetriNetUnfolder]: 13/146 cut-off events. [2021-03-25 13:52:28,190 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 13:52:28,191 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. [2021-03-25 13:52:28,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 111 transitions, 254 flow [2021-03-25 13:52:28,192 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 111 transitions, 254 flow [2021-03-25 13:52:28,192 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:28,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 111 transitions, 254 flow [2021-03-25 13:52:28,193 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 111 transitions, 254 flow [2021-03-25 13:52:28,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 254 flow [2021-03-25 13:52:28,205 INFO L129 PetriNetUnfolder]: 13/146 cut-off events. [2021-03-25 13:52:28,206 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 13:52:28,206 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. [2021-03-25 13:52:28,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 7224 [2021-03-25 13:52:29,614 INFO L154 LiptonReduction]: Checked pairs total: 19134 [2021-03-25 13:52:29,614 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-25 13:52:29,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1423 [2021-03-25 13:52:29,619 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 13:52:29,619 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 13:52:29,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:29,620 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:29,620 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:52:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:29,620 INFO L82 PathProgramCache]: Analyzing trace with hash -940810851, now seen corresponding path program 1 times [2021-03-25 13:52:29,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:29,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405115452] [2021-03-25 13:52:29,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:29,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:29,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:29,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:29,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:29,672 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:52:29,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:52:29,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:29,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 13:52:29,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405115452] [2021-03-25 13:52:29,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:29,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 13:52:29,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599393182] [2021-03-25 13:52:29,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 13:52:29,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:29,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 13:52:29,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 13:52:29,693 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 159 [2021-03-25 13:52:29,694 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) [2021-03-25 13:52:29,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:29,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 159 [2021-03-25 13:52:29,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:31,260 INFO L129 PetriNetUnfolder]: 6735/15358 cut-off events. [2021-03-25 13:52:31,260 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-03-25 13:52:31,329 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. [2021-03-25 13:52:31,420 INFO L132 encePairwiseOnDemand]: 137/159 looper letters, 63 selfloop transitions, 34 changer transitions 0/138 dead transitions. [2021-03-25 13:52:31,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 138 transitions, 502 flow [2021-03-25 13:52:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 13:52:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 13:52:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 799 transitions. [2021-03-25 13:52:31,423 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7178796046720575 [2021-03-25 13:52:31,423 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 799 transitions. [2021-03-25 13:52:31,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 799 transitions. [2021-03-25 13:52:31,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:31,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 799 transitions. [2021-03-25 13:52:31,425 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) [2021-03-25 13:52:31,427 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) [2021-03-25 13:52:31,427 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) [2021-03-25 13:52:31,427 INFO L185 Difference]: Start difference. First operand has 79 places, 76 transitions, 184 flow. Second operand 7 states and 799 transitions. [2021-03-25 13:52:31,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 138 transitions, 502 flow [2021-03-25 13:52:31,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 138 transitions, 490 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-25 13:52:31,432 INFO L241 Difference]: Finished difference. Result has 81 places, 104 transitions, 430 flow [2021-03-25 13:52:31,432 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} [2021-03-25 13:52:31,432 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 2 predicate places. [2021-03-25 13:52:31,432 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:31,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 104 transitions, 430 flow [2021-03-25 13:52:31,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 104 transitions, 430 flow [2021-03-25 13:52:31,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 104 transitions, 430 flow [2021-03-25 13:52:31,733 INFO L129 PetriNetUnfolder]: 1431/4261 cut-off events. [2021-03-25 13:52:31,733 INFO L130 PetriNetUnfolder]: For 2221/2668 co-relation queries the response was YES. [2021-03-25 13:52:31,760 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. [2021-03-25 13:52:31,821 INFO L142 LiptonReduction]: Number of co-enabled transitions 4898 [2021-03-25 13:52:45,077 INFO L154 LiptonReduction]: Checked pairs total: 9162 [2021-03-25 13:52:45,078 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 13:52:45,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13646 [2021-03-25 13:52:45,078 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 102 transitions, 426 flow [2021-03-25 13:52:45,079 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) [2021-03-25 13:52:45,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:52:45,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:52:45,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 13:52:45,079 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:52:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:52:45,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2146529224, now seen corresponding path program 1 times [2021-03-25 13:52:45,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:52:45,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305358574] [2021-03-25 13:52:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:52:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:52:45,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:45,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:45,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:45,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:52:45,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:52:45,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:52:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 13:52:45,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305358574] [2021-03-25 13:52:45,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:52:45,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 13:52:45,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182565589] [2021-03-25 13:52:45,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 13:52:45,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:52:45,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 13:52:45,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 13:52:45,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-25 13:52:45,112 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) [2021-03-25 13:52:45,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:52:45,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-25 13:52:45,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:52:46,174 INFO L129 PetriNetUnfolder]: 3728/11162 cut-off events. [2021-03-25 13:52:46,174 INFO L130 PetriNetUnfolder]: For 3186/3803 co-relation queries the response was YES. [2021-03-25 13:52:46,255 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. [2021-03-25 13:52:46,318 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 12 selfloop transitions, 9 changer transitions 0/110 dead transitions. [2021-03-25 13:52:46,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 110 transitions, 484 flow [2021-03-25 13:52:46,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 13:52:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 13:52:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2021-03-25 13:52:46,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7474120082815735 [2021-03-25 13:52:46,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2021-03-25 13:52:46,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2021-03-25 13:52:46,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:52:46,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2021-03-25 13:52:46,321 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) [2021-03-25 13:52:46,322 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) [2021-03-25 13:52:46,323 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) [2021-03-25 13:52:46,323 INFO L185 Difference]: Start difference. First operand has 79 places, 102 transitions, 426 flow. Second operand 3 states and 361 transitions. [2021-03-25 13:52:46,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 110 transitions, 484 flow [2021-03-25 13:52:46,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 110 transitions, 484 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 13:52:46,340 INFO L241 Difference]: Finished difference. Result has 83 places, 110 transitions, 502 flow [2021-03-25 13:52:46,341 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} [2021-03-25 13:52:46,341 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2021-03-25 13:52:46,341 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:52:46,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 110 transitions, 502 flow [2021-03-25 13:52:46,341 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 110 transitions, 502 flow [2021-03-25 13:52:46,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 110 transitions, 502 flow [2021-03-25 13:52:47,240 INFO L129 PetriNetUnfolder]: 3763/11329 cut-off events. [2021-03-25 13:52:47,240 INFO L130 PetriNetUnfolder]: For 3587/4082 co-relation queries the response was YES. [2021-03-25 13:52:47,288 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. [2021-03-25 13:52:47,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 5664 [2021-03-25 13:53:09,925 INFO L154 LiptonReduction]: Checked pairs total: 2370 [2021-03-25 13:53:09,925 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 13:53:09,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23584 [2021-03-25 13:53:09,925 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 109 transitions, 500 flow [2021-03-25 13:53:09,926 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) [2021-03-25 13:53:09,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:53:09,926 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:53:09,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 13:53:09,926 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:53:09,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:53:09,926 INFO L82 PathProgramCache]: Analyzing trace with hash -16138133, now seen corresponding path program 1 times [2021-03-25 13:53:09,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:53:09,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443985770] [2021-03-25 13:53:09,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:53:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:53:09,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:09,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:53:09,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:09,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:53:09,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:09,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:53:09,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:53:09,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:53:09,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:09,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:53:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 13:53:09,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443985770] [2021-03-25 13:53:09,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:53:09,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 13:53:09,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277312295] [2021-03-25 13:53:09,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 13:53:09,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:53:09,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 13:53:09,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 13:53:09,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 162 [2021-03-25 13:53:09,974 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) [2021-03-25 13:53:09,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:53:09,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 162 [2021-03-25 13:53:09,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:53:12,833 INFO L129 PetriNetUnfolder]: 12161/31666 cut-off events. [2021-03-25 13:53:12,833 INFO L130 PetriNetUnfolder]: For 23856/25284 co-relation queries the response was YES. [2021-03-25 13:53:12,955 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. [2021-03-25 13:53:13,244 INFO L132 encePairwiseOnDemand]: 148/162 looper letters, 90 selfloop transitions, 55 changer transitions 0/191 dead transitions. [2021-03-25 13:53:13,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 191 transitions, 1171 flow [2021-03-25 13:53:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 13:53:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 13:53:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 645 transitions. [2021-03-25 13:53:13,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6635802469135802 [2021-03-25 13:53:13,247 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 645 transitions. [2021-03-25 13:53:13,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 645 transitions. [2021-03-25 13:53:13,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:53:13,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 645 transitions. [2021-03-25 13:53:13,249 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) [2021-03-25 13:53:13,250 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) [2021-03-25 13:53:13,251 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) [2021-03-25 13:53:13,251 INFO L185 Difference]: Start difference. First operand has 82 places, 109 transitions, 500 flow. Second operand 6 states and 645 transitions. [2021-03-25 13:53:13,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 191 transitions, 1171 flow [2021-03-25 13:53:13,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 191 transitions, 1153 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 13:53:13,390 INFO L241 Difference]: Finished difference. Result has 88 places, 142 transitions, 868 flow [2021-03-25 13:53:13,390 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} [2021-03-25 13:53:13,390 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 9 predicate places. [2021-03-25 13:53:13,390 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:53:13,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 142 transitions, 868 flow [2021-03-25 13:53:13,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 142 transitions, 868 flow [2021-03-25 13:53:13,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 142 transitions, 868 flow [2021-03-25 13:53:13,891 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)]) [2021-03-25 13:53:13,891 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-25 13:53:13,891 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-25 13:53:13,891 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-25 13:53:13,891 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-25 13:53:14,149 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L724-1-->L2-5: Formula: (and (= (mod v_~COND~0_7 256) |v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|) (= v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5 |v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|) (not (= v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5 0))) InVars {~COND~0=v_~COND~0_7} OutVars{thr1Thread1of4ForFork0_assume_abort_if_not_~cond=v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5, thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond=|v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|, ~COND~0=v_~COND~0_7} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_assume_abort_if_not_~cond, thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond][70], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 96#L721-1true, Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), 65#L2-5true, Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 137#true, 75#L724-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, Black: 139#(= ~count~0 0), 17#L721-1true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), thr1Thread4of4ForFork0InUse, Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 115#true, Black: 117#(= ~count~0 0), 31#L733-3true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-25 13:53:14,150 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-25 13:53:14,150 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 13:53:14,150 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 13:53:14,150 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 13:53:14,686 INFO L129 PetriNetUnfolder]: 5255/16329 cut-off events. [2021-03-25 13:53:14,687 INFO L130 PetriNetUnfolder]: For 15221/15997 co-relation queries the response was YES. [2021-03-25 13:53:14,752 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. [2021-03-25 13:53:14,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 7342 [2021-03-25 13:53:43,351 INFO L154 LiptonReduction]: Checked pairs total: 1305 [2021-03-25 13:53:43,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 13:53:43,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29961 [2021-03-25 13:53:43,351 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 142 transitions, 868 flow [2021-03-25 13:53:43,352 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) [2021-03-25 13:53:43,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:53:43,352 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:53:43,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 13:53:43,352 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:53:43,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:53:43,352 INFO L82 PathProgramCache]: Analyzing trace with hash 519400185, now seen corresponding path program 1 times [2021-03-25 13:53:43,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:53:43,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898763761] [2021-03-25 13:53:43,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:53:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:53:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:43,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:53:43,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:43,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:53:43,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:43,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 13:53:43,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:43,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 13:53:43,389 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:53:43,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:53:43,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:53:43,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:53:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 13:53:43,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898763761] [2021-03-25 13:53:43,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:53:43,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 13:53:43,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487893954] [2021-03-25 13:53:43,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 13:53:43,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:53:43,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 13:53:43,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 13:53:43,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 162 [2021-03-25 13:53:43,412 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) [2021-03-25 13:53:43,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:53:43,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 162 [2021-03-25 13:53:43,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:53:47,166 INFO L129 PetriNetUnfolder]: 14665/38654 cut-off events. [2021-03-25 13:53:47,166 INFO L130 PetriNetUnfolder]: For 55728/57749 co-relation queries the response was YES. [2021-03-25 13:53:47,342 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. [2021-03-25 13:53:47,559 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 125 selfloop transitions, 98 changer transitions 0/267 dead transitions. [2021-03-25 13:53:47,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 267 transitions, 1898 flow [2021-03-25 13:53:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 13:53:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 13:53:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1518 transitions. [2021-03-25 13:53:47,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6246913580246913 [2021-03-25 13:53:47,564 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1518 transitions. [2021-03-25 13:53:47,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1518 transitions. [2021-03-25 13:53:47,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:53:47,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1518 transitions. [2021-03-25 13:53:47,568 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) [2021-03-25 13:53:47,573 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) [2021-03-25 13:53:47,573 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) [2021-03-25 13:53:47,574 INFO L185 Difference]: Start difference. First operand has 88 places, 142 transitions, 868 flow. Second operand 15 states and 1518 transitions. [2021-03-25 13:53:47,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 267 transitions, 1898 flow [2021-03-25 13:53:47,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 267 transitions, 1898 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 13:53:47,874 INFO L241 Difference]: Finished difference. Result has 108 places, 181 transitions, 1450 flow [2021-03-25 13:53:47,874 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} [2021-03-25 13:53:47,874 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 29 predicate places. [2021-03-25 13:53:47,874 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:53:47,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 181 transitions, 1450 flow [2021-03-25 13:53:47,875 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 181 transitions, 1450 flow [2021-03-25 13:53:47,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 181 transitions, 1450 flow [2021-03-25 13:53:49,692 INFO L129 PetriNetUnfolder]: 6119/19908 cut-off events. [2021-03-25 13:53:49,692 INFO L130 PetriNetUnfolder]: For 29822/31104 co-relation queries the response was YES. [2021-03-25 13:53:49,766 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. [2021-03-25 13:53:49,928 INFO L142 LiptonReduction]: Number of co-enabled transitions 9218 [2021-03-25 13:54:42,895 INFO L154 LiptonReduction]: Checked pairs total: 2705 [2021-03-25 13:54:42,895 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 13:54:42,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55022 [2021-03-25 13:54:42,896 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 181 transitions, 1450 flow [2021-03-25 13:54:42,896 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) [2021-03-25 13:54:42,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:54:42,897 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:54:42,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 13:54:42,897 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:54:42,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:54:42,897 INFO L82 PathProgramCache]: Analyzing trace with hash -116668849, now seen corresponding path program 1 times [2021-03-25 13:54:42,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:54:42,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998291123] [2021-03-25 13:54:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:54:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:54:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:54:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:54:42,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:54:42,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:54:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:54:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 13:54:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:54:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 13:54:42,936 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:54:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:54:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:54:42,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:54:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 13:54:42,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998291123] [2021-03-25 13:54:42,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:54:42,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 13:54:42,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521925045] [2021-03-25 13:54:42,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 13:54:42,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:54:42,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 13:54:42,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 13:54:42,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 162 [2021-03-25 13:54:42,957 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) [2021-03-25 13:54:42,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:54:42,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 162 [2021-03-25 13:54:42,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:54:48,307 INFO L129 PetriNetUnfolder]: 16434/43860 cut-off events. [2021-03-25 13:54:48,307 INFO L130 PetriNetUnfolder]: For 101299/104062 co-relation queries the response was YES. [2021-03-25 13:54:48,624 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. [2021-03-25 13:54:48,852 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 147 selfloop transitions, 102 changer transitions 0/293 dead transitions. [2021-03-25 13:54:48,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 293 transitions, 2587 flow [2021-03-25 13:54:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 13:54:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 13:54:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1123 transitions. [2021-03-25 13:54:48,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6301907968574635 [2021-03-25 13:54:48,855 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1123 transitions. [2021-03-25 13:54:48,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1123 transitions. [2021-03-25 13:54:48,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:54:48,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1123 transitions. [2021-03-25 13:54:48,857 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) [2021-03-25 13:54:48,860 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) [2021-03-25 13:54:48,861 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) [2021-03-25 13:54:48,861 INFO L185 Difference]: Start difference. First operand has 108 places, 181 transitions, 1450 flow. Second operand 11 states and 1123 transitions. [2021-03-25 13:54:48,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 293 transitions, 2587 flow [2021-03-25 13:54:49,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 293 transitions, 2516 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-25 13:54:49,438 INFO L241 Difference]: Finished difference. Result has 121 places, 208 transitions, 1924 flow [2021-03-25 13:54:49,438 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} [2021-03-25 13:54:49,438 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 42 predicate places. [2021-03-25 13:54:49,438 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:54:49,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 208 transitions, 1924 flow [2021-03-25 13:54:49,439 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 208 transitions, 1924 flow [2021-03-25 13:54:49,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 208 transitions, 1924 flow [2021-03-25 13:54:51,427 INFO L129 PetriNetUnfolder]: 6678/22122 cut-off events. [2021-03-25 13:54:51,427 INFO L130 PetriNetUnfolder]: For 49349/50458 co-relation queries the response was YES. [2021-03-25 13:54:51,564 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. [2021-03-25 13:54:51,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 10794 [2021-03-25 13:56:32,004 INFO L154 LiptonReduction]: Checked pairs total: 3715 [2021-03-25 13:56:32,033 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 13:56:32,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102596 [2021-03-25 13:56:32,034 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 208 transitions, 1924 flow [2021-03-25 13:56:32,034 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) [2021-03-25 13:56:32,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 13:56:32,034 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 13:56:32,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 13:56:32,035 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 13:56:32,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 13:56:32,035 INFO L82 PathProgramCache]: Analyzing trace with hash 394398987, now seen corresponding path program 1 times [2021-03-25 13:56:32,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 13:56:32,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632610836] [2021-03-25 13:56:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 13:56:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 13:56:32,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:56:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:56:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:56:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 13:56:32,071 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 13:56:32,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 13:56:32,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 13:56:32,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 13:56:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 13:56:32,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632610836] [2021-03-25 13:56:32,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 13:56:32,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 13:56:32,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829568904] [2021-03-25 13:56:32,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 13:56:32,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 13:56:32,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 13:56:32,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 13:56:32,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 162 [2021-03-25 13:56:32,091 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) [2021-03-25 13:56:32,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 13:56:32,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 162 [2021-03-25 13:56:32,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 13:56:38,483 INFO L129 PetriNetUnfolder]: 20645/54819 cut-off events. [2021-03-25 13:56:38,483 INFO L130 PetriNetUnfolder]: For 204817/207710 co-relation queries the response was YES. [2021-03-25 13:56:38,843 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. [2021-03-25 13:56:39,198 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 175 selfloop transitions, 198 changer transitions 0/419 dead transitions. [2021-03-25 13:56:39,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 419 transitions, 4788 flow [2021-03-25 13:56:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 13:56:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 13:56:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 756 transitions. [2021-03-25 13:56:39,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-25 13:56:39,201 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 756 transitions. [2021-03-25 13:56:39,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 756 transitions. [2021-03-25 13:56:39,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 13:56:39,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 756 transitions. [2021-03-25 13:56:39,203 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) [2021-03-25 13:56:39,204 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) [2021-03-25 13:56:39,204 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) [2021-03-25 13:56:39,205 INFO L185 Difference]: Start difference. First operand has 121 places, 208 transitions, 1924 flow. Second operand 7 states and 756 transitions. [2021-03-25 13:56:39,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 419 transitions, 4788 flow [2021-03-25 13:56:40,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 419 transitions, 4336 flow, removed 36 selfloop flow, removed 5 redundant places. [2021-03-25 13:56:40,375 INFO L241 Difference]: Finished difference. Result has 126 places, 329 transitions, 3687 flow [2021-03-25 13:56:40,376 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} [2021-03-25 13:56:40,376 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 47 predicate places. [2021-03-25 13:56:40,376 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 13:56:40,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 329 transitions, 3687 flow [2021-03-25 13:56:40,376 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 329 transitions, 3687 flow [2021-03-25 13:56:40,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 329 transitions, 3687 flow [2021-03-25 13:56:40,548 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)]) [2021-03-25 13:56:40,549 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-25 13:56:40,549 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-25 13:56:40,549 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-25 13:56:40,549 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-25 13:56:40,851 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)]) [2021-03-25 13:56:40,851 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,852 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,852 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,852 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,858 INFO L382 tUnfolder$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)]) [2021-03-25 13:56:40,858 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,858 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,858 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,858 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,858 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)]) [2021-03-25 13:56:40,858 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,858 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,858 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,859 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,863 INFO L382 tUnfolder$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)]) [2021-03-25 13:56:40,863 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,863 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,863 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,863 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:40,997 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)]) [2021-03-25 13:56:40,998 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,998 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,998 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,998 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,999 INFO L382 tUnfolder$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)]) [2021-03-25 13:56:40,999 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,999 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,999 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,999 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:40,999 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,001 INFO L382 tUnfolder$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)]) [2021-03-25 13:56:41,001 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-25 13:56:41,001 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:41,001 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:41,001 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 13:56:41,079 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)]) [2021-03-25 13:56:41,079 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,079 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,079 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,079 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,168 INFO L382 tUnfolder$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)]) [2021-03-25 13:56:41,168 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,168 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,168 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,168 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 13:56:41,171 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)]) [2021-03-25 13:56:41,171 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,171 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,171 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,171 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,506 INFO L382 tUnfolder$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)]) [2021-03-25 13:56:41,506 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,506 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,506 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 13:56:41,506 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 13:56:43,804 INFO L129 PetriNetUnfolder]: 11095/34770 cut-off events. [2021-03-25 13:56:43,804 INFO L130 PetriNetUnfolder]: For 117584/119786 co-relation queries the response was YES. [2021-03-25 13:56:44,085 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. [2021-03-25 13:56:44,619 INFO L142 LiptonReduction]: Number of co-enabled transitions 15324 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown