/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-RepeatedVariableLbe.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 04:09:15,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:09:15,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:09:15,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:09:15,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:09:15,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:09:15,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:09:15,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:09:15,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:09:15,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:09:15,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:09:15,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:09:15,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:09:15,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:09:15,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:09:15,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:09:15,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:09:15,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:09:15,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:09:15,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:09:15,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:09:15,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:09:15,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:09:15,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:09:15,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:09:15,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:09:15,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:09:15,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:09:15,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:09:15,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:09:15,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:09:15,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:09:15,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:09:15,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:09:15,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:09:15,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:09:15,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:09:15,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:09:15,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:09:15,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:09:15,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:09:15,882 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-RepeatedVariableLbe.epf [2021-03-25 04:09:15,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:09:15,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:09:15,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:09:15,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:09:15,901 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:09:15,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:09:15,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:09:15,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:09:15,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:09:15,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:09:15,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:09:15,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:09:15,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:09:15,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:09:15,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:09:15,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:09:15,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:09:15,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:09:15,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:09:16,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:09:16,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:09:16,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:09:16,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:09:16,254 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:09:16,255 INFO L432 ainManager$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 04:09:16,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce3ec72b/ebe723b4d34d449d86ac4f62fc67a13f/FLAG4ca845468 [2021-03-25 04:09:16,802 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:09:16,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-03-25 04:09:16,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce3ec72b/ebe723b4d34d449d86ac4f62fc67a13f/FLAG4ca845468 [2021-03-25 04:09:17,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce3ec72b/ebe723b4d34d449d86ac4f62fc67a13f [2021-03-25 04:09:17,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:09:17,124 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:09:17,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:09:17,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:09:17,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:09:17,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6579ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17, skipping insertion in model container [2021-03-25 04:09:17,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:09:17,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:09:17,369 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 04:09:17,499 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 04:09:17,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:09:17,522 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:09:17,555 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 04:09:17,573 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 04:09:17,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:09:17,639 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:09:17,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17 WrapperNode [2021-03-25 04:09:17,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:09:17,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:09:17,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:09:17,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:09:17,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:09:17,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:09:17,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:09:17,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:09:17,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (1/1) ... [2021-03-25 04:09:17,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:09:17,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:09:17,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:09:17,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:09:17,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (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 04:09:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-25 04:09:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-25 04:09:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:09:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:09:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:09:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:09:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:09:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:09:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:09:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:09:17,822 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 04:09:18,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:09:18,242 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:09:18,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:09:18 BoogieIcfgContainer [2021-03-25 04:09:18,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:09:18,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:09:18,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:09:18,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:09:18,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:09:17" (1/3) ... [2021-03-25 04:09:18,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a996420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:09:18, skipping insertion in model container [2021-03-25 04:09:18,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:09:17" (2/3) ... [2021-03-25 04:09:18,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a996420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:09:18, skipping insertion in model container [2021-03-25 04:09:18,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:09:18" (3/3) ... [2021-03-25 04:09:18,250 INFO L111 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2021-03-25 04:09:18,254 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:09:18,258 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 04:09:18,259 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:09:18,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,284 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,284 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:18,286 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:09:18,302 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-25 04:09:18,318 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:09:18,318 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:09:18,318 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:09:18,319 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:09:18,319 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:09:18,319 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:09:18,319 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:09:18,319 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:09:18,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 95 flow [2021-03-25 04:09:18,347 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 04:09:18,347 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:09:18,350 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 04:09:18,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 45 transitions, 95 flow [2021-03-25 04:09:18,353 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 45 transitions, 95 flow [2021-03-25 04:09:18,354 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:18,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 45 transitions, 95 flow [2021-03-25 04:09:18,363 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 45 transitions, 95 flow [2021-03-25 04:09:18,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 95 flow [2021-03-25 04:09:18,373 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-25 04:09:18,373 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:09:18,374 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 04:09:18,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 04:09:19,314 INFO L154 LiptonReduction]: Checked pairs total: 216 [2021-03-25 04:09:19,315 INFO L156 LiptonReduction]: Total number of compositions: 29 [2021-03-25 04:09:19,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 963 [2021-03-25 04:09:19,328 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-03-25 04:09:19,328 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:09:19,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:19,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:19,329 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:09:19,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:19,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1924869424, now seen corresponding path program 1 times [2021-03-25 04:09:19,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:19,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025743310] [2021-03-25 04:09:19,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:19,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:19,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:19,550 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:09:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:09:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:19,576 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 04:09:19,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025743310] [2021-03-25 04:09:19,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:19,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:09:19,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910043220] [2021-03-25 04:09:19,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:09:19,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:19,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:09:19,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:09:19,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 74 [2021-03-25 04:09:19,602 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 04:09:19,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:19,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 74 [2021-03-25 04:09:19,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:19,625 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 04:09:19,626 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:09:19,626 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 04:09:19,627 INFO L132 encePairwiseOnDemand]: 68/74 looper letters, 1 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2021-03-25 04:09:19,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 41 flow [2021-03-25 04:09:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:09:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:09:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 188 transitions. [2021-03-25 04:09:19,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6351351351351351 [2021-03-25 04:09:19,637 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 188 transitions. [2021-03-25 04:09:19,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 188 transitions. [2021-03-25 04:09:19,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:19,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 188 transitions. [2021-03-25 04:09:19,642 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 04:09:19,646 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 04:09:19,646 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 04:09:19,647 INFO L185 Difference]: Start difference. First operand has 22 places, 21 transitions, 47 flow. Second operand 4 states and 188 transitions. [2021-03-25 04:09:19,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 41 flow [2021-03-25 04:09:19,650 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 04:09:19,651 INFO L241 Difference]: Finished difference. Result has 21 places, 15 transitions, 39 flow [2021-03-25 04:09:19,652 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 04:09:19,653 INFO L343 CegarLoopForPetriNet]: 22 programPoint places, -1 predicate places. [2021-03-25 04:09:19,653 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:19,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 15 transitions, 39 flow [2021-03-25 04:09:19,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 15 transitions, 39 flow [2021-03-25 04:09:19,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 15 transitions, 39 flow [2021-03-25 04:09:19,657 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 04:09:19,657 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:09:19,657 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 04:09:19,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 04:09:20,566 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-03-25 04:09:20,841 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-25 04:09:20,842 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 04:09:20,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1189 [2021-03-25 04:09:20,843 INFO L480 AbstractCegarLoop]: Abstraction has has 15 places, 9 transitions, 29 flow [2021-03-25 04:09:20,843 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 04:09:20,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:20,843 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:20,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:09:20,844 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:09:20,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:20,844 INFO L82 PathProgramCache]: Analyzing trace with hash 456450159, now seen corresponding path program 1 times [2021-03-25 04:09:20,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:20,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908647316] [2021-03-25 04:09:20,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:09:20,863 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:09:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:09:20,873 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:09:20,887 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:09:20,887 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:09:20,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:09:20,889 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 04:09:20,889 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-25 04:09:20,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,895 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,895 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,901 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:20,907 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:09:20,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 04:09:20,909 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:09:20,909 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:09:20,909 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:09:20,909 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:09:20,910 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:09:20,910 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:09:20,910 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:09:20,910 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:09:20,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 146 flow [2021-03-25 04:09:20,921 INFO L129 PetriNetUnfolder]: 7/84 cut-off events. [2021-03-25 04:09:20,922 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 04:09:20,922 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 04:09:20,922 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 67 transitions, 146 flow [2021-03-25 04:09:20,923 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 67 transitions, 146 flow [2021-03-25 04:09:20,923 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:20,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 67 transitions, 146 flow [2021-03-25 04:09:20,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 67 transitions, 146 flow [2021-03-25 04:09:20,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 146 flow [2021-03-25 04:09:20,934 INFO L129 PetriNetUnfolder]: 7/84 cut-off events. [2021-03-25 04:09:20,934 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 04:09:20,935 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 04:09:20,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 1764 [2021-03-25 04:09:21,752 INFO L154 LiptonReduction]: Checked pairs total: 5051 [2021-03-25 04:09:21,753 INFO L156 LiptonReduction]: Total number of compositions: 36 [2021-03-25 04:09:21,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 830 [2021-03-25 04:09:21,757 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-03-25 04:09:21,758 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:09:21,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:21,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:21,758 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 04:09:21,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:21,759 INFO L82 PathProgramCache]: Analyzing trace with hash 999374052, now seen corresponding path program 1 times [2021-03-25 04:09:21,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:21,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126189128] [2021-03-25 04:09:21,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:21,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:21,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:21,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:21,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:21,803 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:09:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:09:21,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:21,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:21,821 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 04:09:21,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126189128] [2021-03-25 04:09:21,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:21,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:09:21,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6315313] [2021-03-25 04:09:21,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:09:21,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:21,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:09:21,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:09:21,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 103 [2021-03-25 04:09:21,824 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 04:09:21,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:21,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 103 [2021-03-25 04:09:21,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:21,908 INFO L129 PetriNetUnfolder]: 35/208 cut-off events. [2021-03-25 04:09:21,908 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 04:09:21,909 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 04:09:21,910 INFO L132 encePairwiseOnDemand]: 90/103 looper letters, 21 selfloop transitions, 18 changer transitions 0/61 dead transitions. [2021-03-25 04:09:21,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 61 transitions, 212 flow [2021-03-25 04:09:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:09:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:09:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 465 transitions. [2021-03-25 04:09:21,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6449375866851595 [2021-03-25 04:09:21,914 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 465 transitions. [2021-03-25 04:09:21,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 465 transitions. [2021-03-25 04:09:21,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:21,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 465 transitions. [2021-03-25 04:09:21,918 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 04:09:21,920 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 04:09:21,921 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 04:09:21,921 INFO L185 Difference]: Start difference. First operand has 43 places, 41 transitions, 94 flow. Second operand 7 states and 465 transitions. [2021-03-25 04:09:21,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 61 transitions, 212 flow [2021-03-25 04:09:21,921 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 04:09:21,923 INFO L241 Difference]: Finished difference. Result has 50 places, 52 transitions, 212 flow [2021-03-25 04:09:21,923 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 04:09:21,923 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2021-03-25 04:09:21,923 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:21,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 52 transitions, 212 flow [2021-03-25 04:09:21,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 52 transitions, 212 flow [2021-03-25 04:09:21,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 52 transitions, 212 flow [2021-03-25 04:09:21,937 INFO L129 PetriNetUnfolder]: 14/157 cut-off events. [2021-03-25 04:09:21,937 INFO L130 PetriNetUnfolder]: For 51/52 co-relation queries the response was YES. [2021-03-25 04:09:21,938 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 04:09:21,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 770 [2021-03-25 04:09:22,399 INFO L154 LiptonReduction]: Checked pairs total: 1758 [2021-03-25 04:09:22,399 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:09:22,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-03-25 04:09:22,400 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 208 flow [2021-03-25 04:09:22,400 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 04:09:22,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:22,400 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:22,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:09:22,401 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 04:09:22,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:22,401 INFO L82 PathProgramCache]: Analyzing trace with hash -326956002, now seen corresponding path program 1 times [2021-03-25 04:09:22,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:22,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014045819] [2021-03-25 04:09:22,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:09:22,414 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:09:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:09:22,422 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:09:22,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:09:22,427 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:09:22,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:09:22,427 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 04:09:22,434 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-25 04:09:22,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:22,467 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:09:22,468 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 04:09:22,470 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:09:22,470 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:09:22,470 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:09:22,470 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:09:22,470 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:09:22,470 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:09:22,470 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:09:22,470 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:09:22,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 199 flow [2021-03-25 04:09:22,486 INFO L129 PetriNetUnfolder]: 10/115 cut-off events. [2021-03-25 04:09:22,486 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 04:09:22,489 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 04:09:22,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 89 transitions, 199 flow [2021-03-25 04:09:22,491 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 89 transitions, 199 flow [2021-03-25 04:09:22,491 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:22,491 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 89 transitions, 199 flow [2021-03-25 04:09:22,491 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 89 transitions, 199 flow [2021-03-25 04:09:22,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 199 flow [2021-03-25 04:09:22,503 INFO L129 PetriNetUnfolder]: 10/115 cut-off events. [2021-03-25 04:09:22,503 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 04:09:22,504 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 04:09:22,508 INFO L142 LiptonReduction]: Number of co-enabled transitions 4032 [2021-03-25 04:09:23,457 INFO L154 LiptonReduction]: Checked pairs total: 12563 [2021-03-25 04:09:23,458 INFO L156 LiptonReduction]: Total number of compositions: 41 [2021-03-25 04:09:23,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 967 [2021-03-25 04:09:23,461 INFO L129 PetriNetUnfolder]: 1/31 cut-off events. [2021-03-25 04:09:23,461 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:09:23,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:23,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:23,461 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 04:09:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:23,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1919583285, now seen corresponding path program 1 times [2021-03-25 04:09:23,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:23,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004488598] [2021-03-25 04:09:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:23,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:23,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:23,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:23,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:23,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:23,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:23,497 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:09:23,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:09:23,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:23,512 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 04:09:23,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004488598] [2021-03-25 04:09:23,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:23,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:09:23,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201671259] [2021-03-25 04:09:23,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:09:23,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:23,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:09:23,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:09:23,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 130 [2021-03-25 04:09:23,515 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 04:09:23,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:23,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 130 [2021-03-25 04:09:23,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:23,750 INFO L129 PetriNetUnfolder]: 542/1717 cut-off events. [2021-03-25 04:09:23,751 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-25 04:09:23,757 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 04:09:23,765 INFO L132 encePairwiseOnDemand]: 112/130 looper letters, 42 selfloop transitions, 18 changer transitions 0/91 dead transitions. [2021-03-25 04:09:23,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 91 transitions, 323 flow [2021-03-25 04:09:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:09:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:09:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2021-03-25 04:09:23,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7115384615384616 [2021-03-25 04:09:23,772 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2021-03-25 04:09:23,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2021-03-25 04:09:23,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:23,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2021-03-25 04:09:23,775 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 04:09:23,778 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 04:09:23,778 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 04:09:23,778 INFO L185 Difference]: Start difference. First operand has 61 places, 60 transitions, 141 flow. Second operand 6 states and 555 transitions. [2021-03-25 04:09:23,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 91 transitions, 323 flow [2021-03-25 04:09:23,780 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 04:09:23,782 INFO L241 Difference]: Finished difference. Result has 62 places, 70 transitions, 260 flow [2021-03-25 04:09:23,782 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 04:09:23,782 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2021-03-25 04:09:23,782 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:23,783 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 70 transitions, 260 flow [2021-03-25 04:09:23,783 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 70 transitions, 260 flow [2021-03-25 04:09:23,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 70 transitions, 260 flow [2021-03-25 04:09:23,829 INFO L129 PetriNetUnfolder]: 121/670 cut-off events. [2021-03-25 04:09:23,829 INFO L130 PetriNetUnfolder]: For 181/197 co-relation queries the response was YES. [2021-03-25 04:09:23,832 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 04:09:23,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 2120 [2021-03-25 04:09:23,978 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-03-25 04:09:24,430 INFO L154 LiptonReduction]: Checked pairs total: 4137 [2021-03-25 04:09:24,430 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:09:24,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 649 [2021-03-25 04:09:24,432 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 68 transitions, 256 flow [2021-03-25 04:09:24,433 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 04:09:24,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:24,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:24,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:09:24,433 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 04:09:24,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:24,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2086850128, now seen corresponding path program 1 times [2021-03-25 04:09:24,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:24,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924644675] [2021-03-25 04:09:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:24,510 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 04:09:24,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924644675] [2021-03-25 04:09:24,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:24,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:09:24,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944510585] [2021-03-25 04:09:24,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:09:24,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:24,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:09:24,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:09:24,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 132 [2021-03-25 04:09:24,516 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 04:09:24,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:24,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 132 [2021-03-25 04:09:24,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:24,632 INFO L129 PetriNetUnfolder]: 219/1042 cut-off events. [2021-03-25 04:09:24,632 INFO L130 PetriNetUnfolder]: For 225/268 co-relation queries the response was YES. [2021-03-25 04:09:24,636 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 04:09:24,642 INFO L132 encePairwiseOnDemand]: 122/132 looper letters, 9 selfloop transitions, 7 changer transitions 0/74 dead transitions. [2021-03-25 04:09:24,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 300 flow [2021-03-25 04:09:24,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:09:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:09:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2021-03-25 04:09:24,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7373737373737373 [2021-03-25 04:09:24,643 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2021-03-25 04:09:24,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2021-03-25 04:09:24,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:24,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2021-03-25 04:09:24,645 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 04:09:24,646 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 04:09:24,646 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 04:09:24,646 INFO L185 Difference]: Start difference. First operand has 60 places, 68 transitions, 256 flow. Second operand 3 states and 292 transitions. [2021-03-25 04:09:24,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 300 flow [2021-03-25 04:09:24,651 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 04:09:24,653 INFO L241 Difference]: Finished difference. Result has 64 places, 74 transitions, 314 flow [2021-03-25 04:09:24,653 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 04:09:24,654 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 3 predicate places. [2021-03-25 04:09:24,654 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:24,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 74 transitions, 314 flow [2021-03-25 04:09:24,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 74 transitions, 314 flow [2021-03-25 04:09:24,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 74 transitions, 314 flow [2021-03-25 04:09:24,735 INFO L129 PetriNetUnfolder]: 211/1042 cut-off events. [2021-03-25 04:09:24,735 INFO L130 PetriNetUnfolder]: For 252/268 co-relation queries the response was YES. [2021-03-25 04:09:24,740 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 04:09:24,753 INFO L142 LiptonReduction]: Number of co-enabled transitions 2224 [2021-03-25 04:09:24,794 INFO L154 LiptonReduction]: Checked pairs total: 747 [2021-03-25 04:09:24,794 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:09:24,794 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-25 04:09:24,795 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions, 314 flow [2021-03-25 04:09:24,795 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 04:09:24,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:24,796 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:24,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:09:24,796 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 04:09:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:24,796 INFO L82 PathProgramCache]: Analyzing trace with hash 380855375, now seen corresponding path program 1 times [2021-03-25 04:09:24,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:24,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540973359] [2021-03-25 04:09:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:24,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:24,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:24,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:24,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:24,850 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:09:24,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:09:24,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:24,867 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 04:09:24,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540973359] [2021-03-25 04:09:24,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:24,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:09:24,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052056428] [2021-03-25 04:09:24,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:09:24,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:24,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:09:24,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:09:24,869 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 132 [2021-03-25 04:09:24,870 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 04:09:24,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:24,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 132 [2021-03-25 04:09:24,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:25,193 INFO L129 PetriNetUnfolder]: 700/2373 cut-off events. [2021-03-25 04:09:25,193 INFO L130 PetriNetUnfolder]: For 1409/1491 co-relation queries the response was YES. [2021-03-25 04:09:25,203 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 04:09:25,216 INFO L132 encePairwiseOnDemand]: 121/132 looper letters, 50 selfloop transitions, 35 changer transitions 0/120 dead transitions. [2021-03-25 04:09:25,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 120 transitions, 675 flow [2021-03-25 04:09:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:09:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:09:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2021-03-25 04:09:25,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6565656565656566 [2021-03-25 04:09:25,219 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 520 transitions. [2021-03-25 04:09:25,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 520 transitions. [2021-03-25 04:09:25,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:25,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 520 transitions. [2021-03-25 04:09:25,220 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 04:09:25,222 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 04:09:25,222 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 04:09:25,222 INFO L185 Difference]: Start difference. First operand has 64 places, 74 transitions, 314 flow. Second operand 6 states and 520 transitions. [2021-03-25 04:09:25,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 120 transitions, 675 flow [2021-03-25 04:09:25,227 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 04:09:25,229 INFO L241 Difference]: Finished difference. Result has 70 places, 94 transitions, 534 flow [2021-03-25 04:09:25,230 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 04:09:25,230 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 9 predicate places. [2021-03-25 04:09:25,230 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:25,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 94 transitions, 534 flow [2021-03-25 04:09:25,230 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 94 transitions, 534 flow [2021-03-25 04:09:25,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 94 transitions, 534 flow [2021-03-25 04:09:25,329 INFO L129 PetriNetUnfolder]: 257/1314 cut-off events. [2021-03-25 04:09:25,329 INFO L130 PetriNetUnfolder]: For 1075/1119 co-relation queries the response was YES. [2021-03-25 04:09:25,336 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 04:09:25,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 2680 [2021-03-25 04:09:25,414 INFO L154 LiptonReduction]: Checked pairs total: 726 [2021-03-25 04:09:25,414 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:09:25,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-25 04:09:25,416 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 534 flow [2021-03-25 04:09:25,416 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 04:09:25,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:25,416 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1] [2021-03-25 04:09:25,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:09:25,416 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 04:09:25,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:25,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1712430548, now seen corresponding path program 1 times [2021-03-25 04:09:25,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:25,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605693278] [2021-03-25 04:09:25,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:09:25,436 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:09:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:09:25,448 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:09:25,456 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:09:25,457 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:09:25,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:09:25,457 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 04:09:25,457 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-25 04:09:25,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,479 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:09:25,494 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:09:25,494 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 04:09:25,495 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:09:25,495 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:09:25,495 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:09:25,495 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:09:25,495 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:09:25,495 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:09:25,495 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:09:25,495 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:09:25,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 254 flow [2021-03-25 04:09:25,509 INFO L129 PetriNetUnfolder]: 13/146 cut-off events. [2021-03-25 04:09:25,509 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 04:09:25,510 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 04:09:25,510 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 111 transitions, 254 flow [2021-03-25 04:09:25,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 111 transitions, 254 flow [2021-03-25 04:09:25,512 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:25,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 111 transitions, 254 flow [2021-03-25 04:09:25,512 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 111 transitions, 254 flow [2021-03-25 04:09:25,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 111 transitions, 254 flow [2021-03-25 04:09:25,522 INFO L129 PetriNetUnfolder]: 13/146 cut-off events. [2021-03-25 04:09:25,523 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 04:09:25,524 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 04:09:25,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 7224 [2021-03-25 04:09:26,538 INFO L154 LiptonReduction]: Checked pairs total: 19134 [2021-03-25 04:09:26,538 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-25 04:09:26,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1027 [2021-03-25 04:09:26,543 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 04:09:26,543 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:09:26,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:26,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:26,544 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 04:09:26,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:26,544 INFO L82 PathProgramCache]: Analyzing trace with hash -940810851, now seen corresponding path program 1 times [2021-03-25 04:09:26,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:26,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747440764] [2021-03-25 04:09:26,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:26,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:26,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:26,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:26,590 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:09:26,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:09:26,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:26,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:26,608 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 04:09:26,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747440764] [2021-03-25 04:09:26,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:26,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:09:26,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296957795] [2021-03-25 04:09:26,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:09:26,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:26,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:09:26,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:09:26,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 159 [2021-03-25 04:09:26,611 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 04:09:26,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:26,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 159 [2021-03-25 04:09:26,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:28,050 INFO L129 PetriNetUnfolder]: 6735/15358 cut-off events. [2021-03-25 04:09:28,050 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-03-25 04:09:28,119 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 04:09:28,207 INFO L132 encePairwiseOnDemand]: 137/159 looper letters, 63 selfloop transitions, 34 changer transitions 0/138 dead transitions. [2021-03-25 04:09:28,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 138 transitions, 502 flow [2021-03-25 04:09:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:09:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:09:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 799 transitions. [2021-03-25 04:09:28,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7178796046720575 [2021-03-25 04:09:28,210 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 799 transitions. [2021-03-25 04:09:28,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 799 transitions. [2021-03-25 04:09:28,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:28,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 799 transitions. [2021-03-25 04:09:28,212 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 04:09:28,214 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 04:09:28,214 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 04:09:28,215 INFO L185 Difference]: Start difference. First operand has 79 places, 76 transitions, 184 flow. Second operand 7 states and 799 transitions. [2021-03-25 04:09:28,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 138 transitions, 502 flow [2021-03-25 04:09:28,216 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 04:09:28,218 INFO L241 Difference]: Finished difference. Result has 81 places, 104 transitions, 430 flow [2021-03-25 04:09:28,218 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 04:09:28,218 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 2 predicate places. [2021-03-25 04:09:28,219 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:28,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 104 transitions, 430 flow [2021-03-25 04:09:28,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 104 transitions, 430 flow [2021-03-25 04:09:28,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 104 transitions, 430 flow [2021-03-25 04:09:28,637 INFO L129 PetriNetUnfolder]: 1431/4261 cut-off events. [2021-03-25 04:09:28,637 INFO L130 PetriNetUnfolder]: For 2221/2668 co-relation queries the response was YES. [2021-03-25 04:09:28,664 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 04:09:28,722 INFO L142 LiptonReduction]: Number of co-enabled transitions 4898 [2021-03-25 04:09:41,749 INFO L154 LiptonReduction]: Checked pairs total: 9162 [2021-03-25 04:09:41,749 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:09:41,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13530 [2021-03-25 04:09:41,749 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 102 transitions, 426 flow [2021-03-25 04:09:41,750 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 04:09:41,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:09:41,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:09:41,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:09:41,750 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 04:09:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:09:41,751 INFO L82 PathProgramCache]: Analyzing trace with hash -2146529224, now seen corresponding path program 1 times [2021-03-25 04:09:41,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:09:41,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299315198] [2021-03-25 04:09:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:09:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:09:41,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:41,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:41,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:09:41,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:09:41,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:09:41,781 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 04:09:41,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299315198] [2021-03-25 04:09:41,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:09:41,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:09:41,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064470435] [2021-03-25 04:09:41,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:09:41,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:09:41,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:09:41,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:09:41,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-25 04:09:41,783 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 04:09:41,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:09:41,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-25 04:09:41,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:09:42,819 INFO L129 PetriNetUnfolder]: 3728/11162 cut-off events. [2021-03-25 04:09:42,820 INFO L130 PetriNetUnfolder]: For 3186/3803 co-relation queries the response was YES. [2021-03-25 04:09:42,871 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 04:09:42,930 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 12 selfloop transitions, 9 changer transitions 0/110 dead transitions. [2021-03-25 04:09:42,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 110 transitions, 484 flow [2021-03-25 04:09:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:09:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:09:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2021-03-25 04:09:42,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7474120082815735 [2021-03-25 04:09:42,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2021-03-25 04:09:42,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2021-03-25 04:09:42,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:09:42,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2021-03-25 04:09:42,933 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 04:09:42,934 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 04:09:42,934 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 04:09:42,934 INFO L185 Difference]: Start difference. First operand has 79 places, 102 transitions, 426 flow. Second operand 3 states and 361 transitions. [2021-03-25 04:09:42,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 110 transitions, 484 flow [2021-03-25 04:09:42,950 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 04:09:42,952 INFO L241 Difference]: Finished difference. Result has 83 places, 110 transitions, 502 flow [2021-03-25 04:09:42,952 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 04:09:42,952 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2021-03-25 04:09:42,953 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:09:42,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 110 transitions, 502 flow [2021-03-25 04:09:42,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 110 transitions, 502 flow [2021-03-25 04:09:42,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 110 transitions, 502 flow [2021-03-25 04:09:43,661 INFO L129 PetriNetUnfolder]: 3763/11329 cut-off events. [2021-03-25 04:09:43,662 INFO L130 PetriNetUnfolder]: For 3587/4082 co-relation queries the response was YES. [2021-03-25 04:09:43,719 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 04:09:43,915 INFO L142 LiptonReduction]: Number of co-enabled transitions 5664 [2021-03-25 04:10:05,218 INFO L154 LiptonReduction]: Checked pairs total: 2370 [2021-03-25 04:10:05,219 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:10:05,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22266 [2021-03-25 04:10:05,219 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 109 transitions, 500 flow [2021-03-25 04:10:05,219 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 04:10:05,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:10:05,220 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:10:05,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:10:05,220 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 04:10:05,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:10:05,220 INFO L82 PathProgramCache]: Analyzing trace with hash -16138133, now seen corresponding path program 1 times [2021-03-25 04:10:05,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:10:05,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929867216] [2021-03-25 04:10:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:10:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:10:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:10:05,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:10:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:10:05,252 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:10:05,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:10:05,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:05,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:10:05,271 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 04:10:05,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929867216] [2021-03-25 04:10:05,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:10:05,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:10:05,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396702404] [2021-03-25 04:10:05,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:10:05,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:10:05,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:10:05,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:10:05,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 162 [2021-03-25 04:10:05,274 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 04:10:05,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:10:05,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 162 [2021-03-25 04:10:05,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:10:08,289 INFO L129 PetriNetUnfolder]: 12161/31666 cut-off events. [2021-03-25 04:10:08,289 INFO L130 PetriNetUnfolder]: For 23856/25284 co-relation queries the response was YES. [2021-03-25 04:10:08,438 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 04:10:08,619 INFO L132 encePairwiseOnDemand]: 148/162 looper letters, 90 selfloop transitions, 55 changer transitions 0/191 dead transitions. [2021-03-25 04:10:08,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 191 transitions, 1171 flow [2021-03-25 04:10:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:10:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:10:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 645 transitions. [2021-03-25 04:10:08,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6635802469135802 [2021-03-25 04:10:08,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 645 transitions. [2021-03-25 04:10:08,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 645 transitions. [2021-03-25 04:10:08,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:10:08,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 645 transitions. [2021-03-25 04:10:08,624 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 04:10:08,625 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 04:10:08,626 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 04:10:08,626 INFO L185 Difference]: Start difference. First operand has 82 places, 109 transitions, 500 flow. Second operand 6 states and 645 transitions. [2021-03-25 04:10:08,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 191 transitions, 1171 flow [2021-03-25 04:10:08,762 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 04:10:08,764 INFO L241 Difference]: Finished difference. Result has 88 places, 142 transitions, 868 flow [2021-03-25 04:10:08,765 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 04:10:08,765 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 9 predicate places. [2021-03-25 04:10:08,765 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:10:08,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 142 transitions, 868 flow [2021-03-25 04:10:08,765 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 142 transitions, 868 flow [2021-03-25 04:10:08,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 142 transitions, 868 flow [2021-03-25 04:10:09,305 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 04:10:09,305 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-25 04:10:09,305 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-25 04:10:09,305 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-25 04:10:09,305 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-25 04:10:09,539 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L724-1-->L2-5: Formula: (and (= (mod v_~COND~0_7 256) |v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|) (= v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5 |v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|) (not (= v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5 0))) InVars {~COND~0=v_~COND~0_7} OutVars{thr1Thread1of4ForFork0_assume_abort_if_not_~cond=v_thr1Thread1of4ForFork0_assume_abort_if_not_~cond_5, thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond=|v_thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond_5|, ~COND~0=v_~COND~0_7} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_assume_abort_if_not_~cond, thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond][70], [Black: 119#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 96#L721-1true, Black: 121#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (= ~count~0 0)), 65#L2-5true, Black: 123#(and (= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0) (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), Black: 133#(= ~COND~0 0), 137#true, 75#L724-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, Black: 139#(= ~count~0 0), 17#L721-1true, Black: 140#(= |thr1Thread2of4ForFork0_Barrier2_#t~post6| 0), thr1Thread4of4ForFork0InUse, Black: 141#(and (<= ~count~0 1) (< 0 (+ (div ~count~0 4294967296) 1))), 115#true, Black: 117#(= ~count~0 0), 31#L733-3true, Black: 118#(= |thr1Thread1of4ForFork0_Barrier2_#t~post6| 0)]) [2021-03-25 04:10:09,539 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-25 04:10:09,539 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 04:10:09,539 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 04:10:09,539 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 04:10:10,019 INFO L129 PetriNetUnfolder]: 5255/16329 cut-off events. [2021-03-25 04:10:10,020 INFO L130 PetriNetUnfolder]: For 15221/15997 co-relation queries the response was YES. [2021-03-25 04:10:10,079 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 04:10:10,205 INFO L142 LiptonReduction]: Number of co-enabled transitions 7342 [2021-03-25 04:10:38,107 INFO L154 LiptonReduction]: Checked pairs total: 1305 [2021-03-25 04:10:38,107 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:10:38,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29343 [2021-03-25 04:10:38,108 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 142 transitions, 868 flow [2021-03-25 04:10:38,108 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 04:10:38,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:10:38,108 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:10:38,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:10:38,108 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 04:10:38,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:10:38,109 INFO L82 PathProgramCache]: Analyzing trace with hash 519400185, now seen corresponding path program 1 times [2021-03-25 04:10:38,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:10:38,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259418564] [2021-03-25 04:10:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:10:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:10:38,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:38,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:10:38,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:38,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:10:38,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:38,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:10:38,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:38,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:10:38,161 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:10:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:10:38,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:10:38,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:10:38,176 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 04:10:38,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259418564] [2021-03-25 04:10:38,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:10:38,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:10:38,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504415731] [2021-03-25 04:10:38,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:10:38,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:10:38,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:10:38,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:10:38,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 162 [2021-03-25 04:10:38,181 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 04:10:38,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:10:38,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 162 [2021-03-25 04:10:38,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:10:42,070 INFO L129 PetriNetUnfolder]: 14665/38654 cut-off events. [2021-03-25 04:10:42,070 INFO L130 PetriNetUnfolder]: For 55728/57749 co-relation queries the response was YES. [2021-03-25 04:10:42,269 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 04:10:42,568 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 125 selfloop transitions, 98 changer transitions 0/267 dead transitions. [2021-03-25 04:10:42,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 267 transitions, 1898 flow [2021-03-25 04:10:42,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 04:10:42,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 04:10:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1518 transitions. [2021-03-25 04:10:42,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6246913580246913 [2021-03-25 04:10:42,572 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1518 transitions. [2021-03-25 04:10:42,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1518 transitions. [2021-03-25 04:10:42,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:10:42,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1518 transitions. [2021-03-25 04:10:42,576 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 04:10:42,579 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 04:10:42,580 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 04:10:42,580 INFO L185 Difference]: Start difference. First operand has 88 places, 142 transitions, 868 flow. Second operand 15 states and 1518 transitions. [2021-03-25 04:10:42,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 267 transitions, 1898 flow [2021-03-25 04:10:42,818 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 04:10:42,821 INFO L241 Difference]: Finished difference. Result has 108 places, 181 transitions, 1450 flow [2021-03-25 04:10:42,822 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 04:10:42,822 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 29 predicate places. [2021-03-25 04:10:42,822 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:10:42,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 181 transitions, 1450 flow [2021-03-25 04:10:42,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 181 transitions, 1450 flow [2021-03-25 04:10:42,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 181 transitions, 1450 flow [2021-03-25 04:10:44,340 INFO L129 PetriNetUnfolder]: 6119/19908 cut-off events. [2021-03-25 04:10:44,341 INFO L130 PetriNetUnfolder]: For 29822/31104 co-relation queries the response was YES. [2021-03-25 04:10:44,428 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 04:10:44,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 9218 [2021-03-25 04:11:35,841 INFO L154 LiptonReduction]: Checked pairs total: 2705 [2021-03-25 04:11:35,842 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:11:35,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53020 [2021-03-25 04:11:35,842 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 181 transitions, 1450 flow [2021-03-25 04:11:35,842 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 04:11:35,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:11:35,843 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:11:35,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:11:35,843 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 04:11:35,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:11:35,843 INFO L82 PathProgramCache]: Analyzing trace with hash -116668849, now seen corresponding path program 1 times [2021-03-25 04:11:35,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:11:35,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452671804] [2021-03-25 04:11:35,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:11:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:11:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:11:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:11:35,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:11:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:11:35,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:11:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:11:35,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:11:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:11:35,883 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:11:35,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:11:35,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:11:35,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:11:35,902 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 04:11:35,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452671804] [2021-03-25 04:11:35,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:11:35,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:11:35,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555642343] [2021-03-25 04:11:35,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:11:35,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:11:35,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:11:35,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:11:35,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 162 [2021-03-25 04:11:35,904 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 04:11:35,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:11:35,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 162 [2021-03-25 04:11:35,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:11:40,555 INFO L129 PetriNetUnfolder]: 16434/43860 cut-off events. [2021-03-25 04:11:40,555 INFO L130 PetriNetUnfolder]: For 101299/104062 co-relation queries the response was YES. [2021-03-25 04:11:40,804 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 04:11:40,992 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 147 selfloop transitions, 102 changer transitions 0/293 dead transitions. [2021-03-25 04:11:40,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 293 transitions, 2587 flow [2021-03-25 04:11:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 04:11:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 04:11:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1123 transitions. [2021-03-25 04:11:40,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6301907968574635 [2021-03-25 04:11:40,997 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1123 transitions. [2021-03-25 04:11:40,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1123 transitions. [2021-03-25 04:11:40,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:11:40,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1123 transitions. [2021-03-25 04:11:41,000 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 04:11:41,003 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 04:11:41,003 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 04:11:41,003 INFO L185 Difference]: Start difference. First operand has 108 places, 181 transitions, 1450 flow. Second operand 11 states and 1123 transitions. [2021-03-25 04:11:41,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 293 transitions, 2587 flow [2021-03-25 04:11:41,462 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 04:11:41,464 INFO L241 Difference]: Finished difference. Result has 121 places, 208 transitions, 1924 flow [2021-03-25 04:11:41,465 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 04:11:41,465 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 42 predicate places. [2021-03-25 04:11:41,465 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:11:41,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 208 transitions, 1924 flow [2021-03-25 04:11:41,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 208 transitions, 1924 flow [2021-03-25 04:11:41,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 208 transitions, 1924 flow [2021-03-25 04:11:43,413 INFO L129 PetriNetUnfolder]: 6678/22122 cut-off events. [2021-03-25 04:11:43,414 INFO L130 PetriNetUnfolder]: For 49349/50458 co-relation queries the response was YES. [2021-03-25 04:11:43,518 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 04:11:43,776 INFO L142 LiptonReduction]: Number of co-enabled transitions 10794 [2021-03-25 04:13:21,929 INFO L154 LiptonReduction]: Checked pairs total: 3715 [2021-03-25 04:13:21,929 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:13:21,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100464 [2021-03-25 04:13:21,930 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 208 transitions, 1924 flow [2021-03-25 04:13:21,930 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 04:13:21,930 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:13:21,930 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:13:21,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 04:13:21,930 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 04:13:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:13:21,930 INFO L82 PathProgramCache]: Analyzing trace with hash 394398987, now seen corresponding path program 1 times [2021-03-25 04:13:21,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:13:21,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722473652] [2021-03-25 04:13:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:13:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:13:21,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:13:21,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:13:21,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:13:21,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:13:21,952 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 04:13:21,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 04:13:21,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:13:21,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:13:21,968 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 04:13:21,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722473652] [2021-03-25 04:13:21,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:13:21,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:13:21,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120952553] [2021-03-25 04:13:21,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:13:21,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:13:21,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:13:21,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:13:21,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 162 [2021-03-25 04:13:21,970 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 04:13:21,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:13:21,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 162 [2021-03-25 04:13:21,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:13:28,854 INFO L129 PetriNetUnfolder]: 20645/54819 cut-off events. [2021-03-25 04:13:28,854 INFO L130 PetriNetUnfolder]: For 204817/207710 co-relation queries the response was YES. [2021-03-25 04:13:29,422 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 04:13:29,955 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 175 selfloop transitions, 198 changer transitions 0/419 dead transitions. [2021-03-25 04:13:29,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 419 transitions, 4788 flow [2021-03-25 04:13:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:13:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:13:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 756 transitions. [2021-03-25 04:13:29,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-25 04:13:29,957 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 756 transitions. [2021-03-25 04:13:29,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 756 transitions. [2021-03-25 04:13:29,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:13:29,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 756 transitions. [2021-03-25 04:13:29,959 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 04:13:29,960 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 04:13:29,961 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 04:13:29,961 INFO L185 Difference]: Start difference. First operand has 121 places, 208 transitions, 1924 flow. Second operand 7 states and 756 transitions. [2021-03-25 04:13:29,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 419 transitions, 4788 flow [2021-03-25 04:13:31,191 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 04:13:31,196 INFO L241 Difference]: Finished difference. Result has 126 places, 329 transitions, 3687 flow [2021-03-25 04:13:31,197 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 04:13:31,197 INFO L343 CegarLoopForPetriNet]: 79 programPoint places, 47 predicate places. [2021-03-25 04:13:31,197 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:13:31,197 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 329 transitions, 3687 flow [2021-03-25 04:13:31,197 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 329 transitions, 3687 flow [2021-03-25 04:13:31,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 329 transitions, 3687 flow [2021-03-25 04:13:31,301 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 04:13:31,301 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-25 04:13:31,301 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-25 04:13:31,301 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-25 04:13:31,301 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-25 04:13:31,620 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 04:13:31,620 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,620 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,620 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,620 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,627 INFO L382 tUnfolder$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 04:13:31,627 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,627 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,627 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,627 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,627 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 04:13:31,627 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,628 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,628 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,628 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,632 INFO L382 tUnfolder$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 04:13:31,633 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,633 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,633 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,633 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,828 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 04:13:31,828 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,828 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,828 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,829 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,830 INFO L382 tUnfolder$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 04:13:31,830 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,830 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,830 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,830 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,830 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,832 INFO L382 tUnfolder$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 04:13:31,832 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,832 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,832 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,832 INFO L387 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2021-03-25 04:13:31,902 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 04:13:31,902 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,902 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,902 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,902 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,987 INFO L382 tUnfolder$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 04:13:31,987 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,987 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,987 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,987 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-03-25 04:13:31,990 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 04:13:31,990 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-25 04:13:31,990 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 04:13:31,990 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 04:13:31,990 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 04:13:32,189 INFO L382 tUnfolder$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 04:13:32,189 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-25 04:13:32,189 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 04:13:32,189 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 04:13:32,189 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 04:13:34,677 INFO L129 PetriNetUnfolder]: 11095/34770 cut-off events. [2021-03-25 04:13:34,677 INFO L130 PetriNetUnfolder]: For 117584/119786 co-relation queries the response was YES. [2021-03-25 04:13:34,925 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 04:13:35,393 INFO L142 LiptonReduction]: Number of co-enabled transitions 15324 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown