/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:24:44,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:24:44,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:24:44,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:24:44,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:24:44,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:24:44,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:24:44,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:24:44,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:24:44,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:24:44,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:24:44,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:24:44,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:24:44,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:24:44,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:24:44,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:24:45,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:24:45,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:24:45,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:24:45,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:24:45,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:24:45,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:24:45,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:24:45,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:24:45,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 11:24:45,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 11:24:45,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 11:24:45,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 11:24:45,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 11:24:45,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 11:24:45,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:24:45,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:24:45,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:24:45,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:24:45,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:24:45,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:24:45,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:24:45,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:24:45,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:24:45,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:24:45,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:24:45,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:24:45,068 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:24:45,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:24:45,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:24:45,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:24:45,071 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:24:45,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:24:45,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:24:45,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:24:45,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:24:45,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:24:45,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:24:45,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:24:45,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:24:45,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:24:45,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:24:45,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:24:45,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:24:45,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:24:45,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:24:45,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:24:45,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:24:45,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:24:45,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:24:45,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:24:45,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:24:45,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:24:45,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:24:45,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:24:45,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:24:45,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:24:45,514 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:24:45,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i [2020-12-22 11:24:45,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76984de1/1d054c21e4d44081a4fd363772099208/FLAGede10be7c [2020-12-22 11:24:46,356 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:24:46,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i [2020-12-22 11:24:46,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76984de1/1d054c21e4d44081a4fd363772099208/FLAGede10be7c [2020-12-22 11:24:46,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76984de1/1d054c21e4d44081a4fd363772099208 [2020-12-22 11:24:46,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:24:46,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:24:46,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:24:46,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:24:46,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:24:46,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:24:46" (1/1) ... [2020-12-22 11:24:46,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c02990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:46, skipping insertion in model container [2020-12-22 11:24:46,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:24:46" (1/1) ... [2020-12-22 11:24:46,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:24:46,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:24:47,115 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i[29913,29926] [2020-12-22 11:24:47,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:24:47,160 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:24:47,206 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_02-simple_racefree.i[29913,29926] [2020-12-22 11:24:47,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:24:47,390 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:24:47,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47 WrapperNode [2020-12-22 11:24:47,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:24:47,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:24:47,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:24:47,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:24:47,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:24:47,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:24:47,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:24:47,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:24:47,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (1/1) ... [2020-12-22 11:24:47,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:24:47,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:24:47,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:24:47,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:24:47,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (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 [2020-12-22 11:24:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 11:24:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:24:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-22 11:24:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:24:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-22 11:24:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-22 11:24:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:24:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:24:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:24:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:24:47,608 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-22 11:24:48,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:24:48,072 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-22 11:24:48,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:24:48 BoogieIcfgContainer [2020-12-22 11:24:48,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:24:48,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:24:48,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:24:48,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:24:48,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:24:46" (1/3) ... [2020-12-22 11:24:48,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:24:48, skipping insertion in model container [2020-12-22 11:24:48,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:24:47" (2/3) ... [2020-12-22 11:24:48,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:24:48, skipping insertion in model container [2020-12-22 11:24:48,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:24:48" (3/3) ... [2020-12-22 11:24:48,085 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i [2020-12-22 11:24:48,093 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-22 11:24:48,093 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:24:48,104 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 11:24:48,106 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-22 11:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,186 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,186 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,187 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,187 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,187 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,187 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,192 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,193 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,194 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,195 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,195 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,197 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,200 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,210 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:48,230 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-22 11:24:48,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-22 11:24:48,281 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:24:48,281 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:24:48,282 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:24:48,282 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:24:48,282 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:24:48,282 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:24:48,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:24:48,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:24:48,300 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:24:48,303 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 103 transitions, 214 flow [2020-12-22 11:24:48,307 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 103 transitions, 214 flow [2020-12-22 11:24:48,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 103 transitions, 214 flow [2020-12-22 11:24:48,389 INFO L129 PetriNetUnfolder]: 17/134 cut-off events. [2020-12-22 11:24:48,389 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-12-22 11:24:48,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 134 events. 17/134 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 311 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 64. Up to 4 conditions per place. [2020-12-22 11:24:48,402 INFO L116 LiptonReduction]: Number of co-enabled transitions 2016 [2020-12-22 11:24:51,201 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-22 11:24:51,995 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-12-22 11:24:52,144 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-22 11:24:52,475 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-12-22 11:24:52,620 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-22 11:24:53,117 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-22 11:24:53,357 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:24:53,833 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-22 11:24:54,040 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:24:54,047 INFO L131 LiptonReduction]: Checked pairs total: 3122 [2020-12-22 11:24:54,047 INFO L133 LiptonReduction]: Total number of compositions: 87 [2020-12-22 11:24:54,061 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 33 transitions, 74 flow [2020-12-22 11:24:54,082 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 132 states. [2020-12-22 11:24:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-12-22 11:24:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-22 11:24:54,091 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:54,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-22 11:24:54,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:54,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:54,100 INFO L82 PathProgramCache]: Analyzing trace with hash 12430216, now seen corresponding path program 1 times [2020-12-22 11:24:54,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:54,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453254565] [2020-12-22 11:24:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:54,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453254565] [2020-12-22 11:24:54,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:54,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:24:54,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176780657] [2020-12-22 11:24:54,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:24:54,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:54,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:24:54,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:24:54,336 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2020-12-22 11:24:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:54,376 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2020-12-22 11:24:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:24:54,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-22 11:24:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:54,388 INFO L225 Difference]: With dead ends: 127 [2020-12-22 11:24:54,389 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 11:24:54,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:24:54,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 11:24:54,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-22 11:24:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 11:24:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2020-12-22 11:24:54,437 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 4 [2020-12-22 11:24:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:54,437 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2020-12-22 11:24:54,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:24:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2020-12-22 11:24:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 11:24:54,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:54,438 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-12-22 11:24:54,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:24:54,439 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:54,440 INFO L82 PathProgramCache]: Analyzing trace with hash -948743814, now seen corresponding path program 1 times [2020-12-22 11:24:54,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:54,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187236930] [2020-12-22 11:24:54,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:54,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:54,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:54,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:24:54,547 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:24:54,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 11:24:54,550 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:24:54,550 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-22 11:24:54,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,562 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,562 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,563 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,563 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,573 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,573 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,581 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,582 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,584 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,585 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,585 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,585 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,585 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,586 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,586 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,586 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,586 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,589 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-12-22 11:24:54,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-22 11:24:54,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:24:54,592 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:24:54,592 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:24:54,592 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:24:54,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:24:54,592 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:24:54,592 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:24:54,592 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:24:54,595 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:24:54,595 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 133 transitions, 284 flow [2020-12-22 11:24:54,596 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 133 transitions, 284 flow [2020-12-22 11:24:54,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 133 transitions, 284 flow [2020-12-22 11:24:54,701 INFO L129 PetriNetUnfolder]: 31/218 cut-off events. [2020-12-22 11:24:54,702 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-12-22 11:24:54,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 218 events. 31/218 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 647 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 136. Up to 8 conditions per place. [2020-12-22 11:24:54,723 INFO L116 LiptonReduction]: Number of co-enabled transitions 6216 [2020-12-22 11:24:58,444 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-12-22 11:24:58,584 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-22 11:24:58,898 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-12-22 11:24:59,034 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-22 11:24:59,704 WARN L197 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-22 11:24:59,915 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:25:00,391 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-22 11:25:00,634 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:25:00,676 INFO L131 LiptonReduction]: Checked pairs total: 14100 [2020-12-22 11:25:00,676 INFO L133 LiptonReduction]: Total number of compositions: 109 [2020-12-22 11:25:00,677 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 55 transitions, 128 flow [2020-12-22 11:25:00,807 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2113 states. [2020-12-22 11:25:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states. [2020-12-22 11:25:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-22 11:25:00,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:00,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-22 11:25:00,808 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:00,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:00,809 INFO L82 PathProgramCache]: Analyzing trace with hash 20808327, now seen corresponding path program 1 times [2020-12-22 11:25:00,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:00,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322091971] [2020-12-22 11:25:00,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:00,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322091971] [2020-12-22 11:25:00,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:00,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:25:00,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053126976] [2020-12-22 11:25:00,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:25:00,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:00,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:25:00,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:00,870 INFO L87 Difference]: Start difference. First operand 2113 states. Second operand 3 states. [2020-12-22 11:25:00,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:00,967 INFO L93 Difference]: Finished difference Result 2108 states and 5618 transitions. [2020-12-22 11:25:00,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:25:00,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-22 11:25:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:00,997 INFO L225 Difference]: With dead ends: 2108 [2020-12-22 11:25:00,998 INFO L226 Difference]: Without dead ends: 1239 [2020-12-22 11:25:00,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:01,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-12-22 11:25:01,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-12-22 11:25:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-12-22 11:25:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-12-22 11:25:01,141 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-12-22 11:25:01,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:01,141 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-12-22 11:25:01,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:25:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-12-22 11:25:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 11:25:01,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:01,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:01,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 11:25:01,143 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:01,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:01,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1104129293, now seen corresponding path program 1 times [2020-12-22 11:25:01,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:01,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299621832] [2020-12-22 11:25:01,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:01,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299621832] [2020-12-22 11:25:01,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472362947] [2020-12-22 11:25:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:01,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 11:25:01,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:01,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:25:01,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-12-22 11:25:01,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440876249] [2020-12-22 11:25:01,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:01,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:01,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:01,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:25:01,340 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 5 states. [2020-12-22 11:25:01,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:01,428 INFO L93 Difference]: Finished difference Result 1203 states and 3215 transitions. [2020-12-22 11:25:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:25:01,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-22 11:25:01,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:01,449 INFO L225 Difference]: With dead ends: 1203 [2020-12-22 11:25:01,449 INFO L226 Difference]: Without dead ends: 1203 [2020-12-22 11:25:01,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:25:01,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-12-22 11:25:01,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2020-12-22 11:25:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2020-12-22 11:25:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 3215 transitions. [2020-12-22 11:25:01,534 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 3215 transitions. Word has length 8 [2020-12-22 11:25:01,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:01,534 INFO L481 AbstractCegarLoop]: Abstraction has 1203 states and 3215 transitions. [2020-12-22 11:25:01,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3215 transitions. [2020-12-22 11:25:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 11:25:01,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:01,539 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-12-22 11:25:01,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:01,751 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:01,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1282817482, now seen corresponding path program 1 times [2020-12-22 11:25:01,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:01,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811876963] [2020-12-22 11:25:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:25:01,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:25:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:25:01,830 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:25:01,850 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:25:01,851 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:25:01,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 11:25:01,851 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:25:01,856 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-22 11:25:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,912 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,913 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,915 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,916 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,917 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,917 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,918 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,919 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:01,921 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-12-22 11:25:01,922 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-22 11:25:01,922 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:25:01,923 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:25:01,923 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:25:01,923 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:25:01,923 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:25:01,923 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:25:01,923 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:25:01,923 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:25:01,926 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:25:01,926 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 163 transitions, 356 flow [2020-12-22 11:25:01,926 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 163 transitions, 356 flow [2020-12-22 11:25:01,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 163 transitions, 356 flow [2020-12-22 11:25:01,989 INFO L129 PetriNetUnfolder]: 50/333 cut-off events. [2020-12-22 11:25:01,989 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-12-22 11:25:01,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 333 events. 50/333 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1148 event pairs, 1 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 226. Up to 16 conditions per place. [2020-12-22 11:25:02,013 INFO L116 LiptonReduction]: Number of co-enabled transitions 11928 [2020-12-22 11:25:05,686 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-22 11:25:06,207 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 11:25:06,310 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 11:25:06,415 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 11:25:06,747 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-22 11:25:06,915 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-12-22 11:25:07,119 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-22 11:25:07,296 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-12-22 11:25:07,770 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2020-12-22 11:25:08,018 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:25:08,499 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2020-12-22 11:25:08,724 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:25:08,775 INFO L131 LiptonReduction]: Checked pairs total: 32674 [2020-12-22 11:25:08,776 INFO L133 LiptonReduction]: Total number of compositions: 129 [2020-12-22 11:25:08,777 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 74 transitions, 178 flow [2020-12-22 11:25:12,665 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26221 states. [2020-12-22 11:25:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 26221 states. [2020-12-22 11:25:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-22 11:25:12,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:12,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-22 11:25:12,667 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:12,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:12,669 INFO L82 PathProgramCache]: Analyzing trace with hash 30695512, now seen corresponding path program 1 times [2020-12-22 11:25:12,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:12,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100810908] [2020-12-22 11:25:12,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:12,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100810908] [2020-12-22 11:25:12,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:12,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:25:12,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212336696] [2020-12-22 11:25:12,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:25:12,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:12,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:25:12,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:12,736 INFO L87 Difference]: Start difference. First operand 26221 states. Second operand 3 states. [2020-12-22 11:25:13,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:13,247 INFO L93 Difference]: Finished difference Result 26216 states and 93058 transitions. [2020-12-22 11:25:13,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:25:13,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-22 11:25:13,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:13,683 INFO L225 Difference]: With dead ends: 26216 [2020-12-22 11:25:13,684 INFO L226 Difference]: Without dead ends: 14919 [2020-12-22 11:25:13,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-12-22 11:25:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-12-22 11:25:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-12-22 11:25:15,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-12-22 11:25:15,086 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-12-22 11:25:15,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:15,086 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-12-22 11:25:15,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:25:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-12-22 11:25:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 11:25:15,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:15,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:15,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 11:25:15,088 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:15,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:15,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1821511721, now seen corresponding path program 1 times [2020-12-22 11:25:15,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:15,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197123797] [2020-12-22 11:25:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:15,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197123797] [2020-12-22 11:25:15,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621833390] [2020-12-22 11:25:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:15,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 11:25:15,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:15,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:25:15,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-12-22 11:25:15,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590663935] [2020-12-22 11:25:15,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:15,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:15,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:15,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:25:15,361 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 5 states. [2020-12-22 11:25:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:15,595 INFO L93 Difference]: Finished difference Result 14883 states and 53063 transitions. [2020-12-22 11:25:15,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:25:15,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-22 11:25:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:15,758 INFO L225 Difference]: With dead ends: 14883 [2020-12-22 11:25:15,758 INFO L226 Difference]: Without dead ends: 14883 [2020-12-22 11:25:15,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:25:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2020-12-22 11:25:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 14883. [2020-12-22 11:25:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14883 states. [2020-12-22 11:25:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 53063 transitions. [2020-12-22 11:25:16,813 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 53063 transitions. Word has length 8 [2020-12-22 11:25:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:16,814 INFO L481 AbstractCegarLoop]: Abstraction has 14883 states and 53063 transitions. [2020-12-22 11:25:16,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 53063 transitions. [2020-12-22 11:25:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 11:25:16,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:16,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:17,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:17,031 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:17,032 INFO L82 PathProgramCache]: Analyzing trace with hash -535410663, now seen corresponding path program 1 times [2020-12-22 11:25:17,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:17,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83163605] [2020-12-22 11:25:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:25:17,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83163605] [2020-12-22 11:25:17,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:17,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:25:17,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768821079] [2020-12-22 11:25:17,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:25:17,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:17,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:25:17,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:17,140 INFO L87 Difference]: Start difference. First operand 14883 states and 53063 transitions. Second operand 3 states. [2020-12-22 11:25:17,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:17,432 INFO L93 Difference]: Finished difference Result 14733 states and 52488 transitions. [2020-12-22 11:25:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:25:17,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-12-22 11:25:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:17,528 INFO L225 Difference]: With dead ends: 14733 [2020-12-22 11:25:17,529 INFO L226 Difference]: Without dead ends: 14733 [2020-12-22 11:25:17,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:18,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14733 states. [2020-12-22 11:25:18,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14733 to 14733. [2020-12-22 11:25:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14733 states. [2020-12-22 11:25:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14733 states to 14733 states and 52488 transitions. [2020-12-22 11:25:18,600 INFO L78 Accepts]: Start accepts. Automaton has 14733 states and 52488 transitions. Word has length 12 [2020-12-22 11:25:18,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:18,602 INFO L481 AbstractCegarLoop]: Abstraction has 14733 states and 52488 transitions. [2020-12-22 11:25:18,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:25:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 14733 states and 52488 transitions. [2020-12-22 11:25:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:25:18,606 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:18,606 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-12-22 11:25:18,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 11:25:18,606 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:25:18,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:18,607 INFO L82 PathProgramCache]: Analyzing trace with hash -411546851, now seen corresponding path program 1 times [2020-12-22 11:25:18,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:18,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854685806] [2020-12-22 11:25:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:25:18,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:25:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:25:18,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:25:18,658 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:25:18,658 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:25:18,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 11:25:18,659 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:25:18,659 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-22 11:25:18,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,670 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,671 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,671 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,671 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,676 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,676 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:25:18,708 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-22 11:25:18,708 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-22 11:25:18,709 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:25:18,709 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:25:18,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:25:18,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:25:18,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:25:18,710 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:25:18,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:25:18,710 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:25:18,712 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:25:18,712 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 193 transitions, 430 flow [2020-12-22 11:25:18,712 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 193 transitions, 430 flow [2020-12-22 11:25:18,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 193 transitions, 430 flow [2020-12-22 11:25:18,827 INFO L129 PetriNetUnfolder]: 81/512 cut-off events. [2020-12-22 11:25:18,827 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-12-22 11:25:18,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 512 events. 81/512 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2004 event pairs, 6 based on Foata normal form. 0/426 useless extension candidates. Maximal degree in co-relation 353. Up to 32 conditions per place. [2020-12-22 11:25:18,869 INFO L116 LiptonReduction]: Number of co-enabled transitions 19376 [2020-12-22 11:25:19,241 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-22 11:25:25,160 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2020-12-22 11:25:25,285 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-22 11:25:25,552 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2020-12-22 11:25:25,682 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-22 11:25:26,510 WARN L197 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-22 11:25:26,759 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:25:27,228 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-12-22 11:25:27,473 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-22 11:25:27,487 INFO L131 LiptonReduction]: Checked pairs total: 48231 [2020-12-22 11:25:27,487 INFO L133 LiptonReduction]: Total number of compositions: 152 [2020-12-22 11:25:27,488 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 93 transitions, 230 flow