/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/pthread-ext/13_unverif.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 10:36:38,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 10:36:38,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 10:36:38,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 10:36:38,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 10:36:38,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 10:36:38,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 10:36:38,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 10:36:38,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 10:36:38,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 10:36:38,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 10:36:38,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 10:36:38,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 10:36:38,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 10:36:38,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 10:36:38,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 10:36:38,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 10:36:38,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 10:36:38,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 10:36:38,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 10:36:38,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 10:36:38,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 10:36:38,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 10:36:38,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 10:36:38,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 10:36:38,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 10:36:38,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 10:36:38,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 10:36:38,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 10:36:38,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 10:36:38,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 10:36:38,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 10:36:38,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 10:36:38,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 10:36:38,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 10:36:38,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 10:36:38,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 10:36:38,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 10:36:38,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 10:36:38,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 10:36:38,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 10:36:38,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 10:36:38,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 10:36:38,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 10:36:38,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 10:36:38,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 10:36:38,412 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 10:36:38,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 10:36:38,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 10:36:38,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 10:36:38,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 10:36:38,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 10:36:38,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 10:36:38,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 10:36:38,414 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 10:36:38,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 10:36:38,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 10:36:38,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 10:36:38,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 10:36:38,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 10:36:38,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 10:36:38,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 10:36:38,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 10:36:38,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 10:36:38,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 10:36:38,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 10:36:38,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 10:36:38,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 10:36:38,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 10:36:38,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 10:36:38,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 10:36:38,846 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 10:36:38,846 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 10:36:38,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/13_unverif.i [2020-12-22 10:36:38,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76262020/6fd5bd2740144ef982f78fc90806ce96/FLAG98e2991cd [2020-12-22 10:36:39,710 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 10:36:39,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/13_unverif.i [2020-12-22 10:36:39,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76262020/6fd5bd2740144ef982f78fc90806ce96/FLAG98e2991cd [2020-12-22 10:36:39,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76262020/6fd5bd2740144ef982f78fc90806ce96 [2020-12-22 10:36:39,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 10:36:39,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 10:36:39,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 10:36:39,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 10:36:39,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 10:36:39,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:36:39" (1/1) ... [2020-12-22 10:36:39,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f481835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:39, skipping insertion in model container [2020-12-22 10:36:39,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:36:39" (1/1) ... [2020-12-22 10:36:39,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 10:36:40,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 10:36:40,544 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/pthread-ext/13_unverif.i[30213,30226] [2020-12-22 10:36:40,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 10:36:40,576 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 10:36:40,636 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/pthread-ext/13_unverif.i[30213,30226] [2020-12-22 10:36:40,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 10:36:40,739 INFO L208 MainTranslator]: Completed translation [2020-12-22 10:36:40,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40 WrapperNode [2020-12-22 10:36:40,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 10:36:40,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 10:36:40,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 10:36:40,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 10:36:40,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 10:36:40,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 10:36:40,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 10:36:40,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 10:36:40,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (1/1) ... [2020-12-22 10:36:40,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 10:36:40,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 10:36:40,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 10:36:40,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 10:36:40,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (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 10:36:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-22 10:36:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-22 10:36:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 10:36:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 10:36:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 10:36:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 10:36:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 10:36:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 10:36:41,040 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 10:36:41,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 10:36:41,618 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-22 10:36:41,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:36:41 BoogieIcfgContainer [2020-12-22 10:36:41,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 10:36:41,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 10:36:41,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 10:36:41,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 10:36:41,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:36:39" (1/3) ... [2020-12-22 10:36:41,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5177b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:36:41, skipping insertion in model container [2020-12-22 10:36:41,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:36:40" (2/3) ... [2020-12-22 10:36:41,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5177b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:36:41, skipping insertion in model container [2020-12-22 10:36:41,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:36:41" (3/3) ... [2020-12-22 10:36:41,635 INFO L111 eAbstractionObserver]: Analyzing ICFG 13_unverif.i [2020-12-22 10:36:41,645 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-22 10:36:41,646 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 10:36:41,651 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 10:36:41,652 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-22 10:36:41,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:41,706 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 10:36:41,727 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 10:36:41,764 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 10:36:41,764 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 10:36:41,764 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 10:36:41,764 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 10:36:41,765 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 10:36:41,765 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 10:36:41,765 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 10:36:41,765 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 10:36:41,779 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 10:36:41,782 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 37 transitions, 79 flow [2020-12-22 10:36:41,785 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 37 transitions, 79 flow [2020-12-22 10:36:41,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 37 transitions, 79 flow [2020-12-22 10:36:41,830 INFO L129 PetriNetUnfolder]: 4/45 cut-off events. [2020-12-22 10:36:41,831 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-22 10:36:41,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 45 events. 4/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 23. Up to 4 conditions per place. [2020-12-22 10:36:41,836 INFO L116 LiptonReduction]: Number of co-enabled transitions 280 [2020-12-22 10:36:43,892 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 10:36:44,108 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 10:36:44,175 INFO L131 LiptonReduction]: Checked pairs total: 249 [2020-12-22 10:36:44,175 INFO L133 LiptonReduction]: Total number of compositions: 34 [2020-12-22 10:36:44,185 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions, 25 flow [2020-12-22 10:36:44,194 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2020-12-22 10:36:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-12-22 10:36:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-22 10:36:44,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:44,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-22 10:36:44,206 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash 186385361, now seen corresponding path program 1 times [2020-12-22 10:36:44,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:44,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074468836] [2020-12-22 10:36:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:44,525 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 10:36:44,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074468836] [2020-12-22 10:36:44,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:44,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 10:36:44,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701532789] [2020-12-22 10:36:44,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:36:44,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:44,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:36:44,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:44,551 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2020-12-22 10:36:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:44,589 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2020-12-22 10:36:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:36:44,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-22 10:36:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:44,600 INFO L225 Difference]: With dead ends: 23 [2020-12-22 10:36:44,600 INFO L226 Difference]: Without dead ends: 23 [2020-12-22 10:36:44,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:44,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-12-22 10:36:44,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-12-22 10:36:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-22 10:36:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-12-22 10:36:44,639 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2020-12-22 10:36:44,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:44,640 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-12-22 10:36:44,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:36:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-12-22 10:36:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 10:36:44,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:44,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 10:36:44,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 10:36:44,641 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:44,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:44,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1482979329, now seen corresponding path program 1 times [2020-12-22 10:36:44,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:44,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12128975] [2020-12-22 10:36:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:36:44,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12128975] [2020-12-22 10:36:44,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:44,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 10:36:44,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941552613] [2020-12-22 10:36:44,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 10:36:44,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:44,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 10:36:44,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 10:36:44,824 INFO L87 Difference]: Start difference. First operand 23 states and 38 transitions. Second operand 3 states. [2020-12-22 10:36:44,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:44,844 INFO L93 Difference]: Finished difference Result 19 states and 31 transitions. [2020-12-22 10:36:44,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 10:36:44,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-22 10:36:44,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:44,846 INFO L225 Difference]: With dead ends: 19 [2020-12-22 10:36:44,846 INFO L226 Difference]: Without dead ends: 19 [2020-12-22 10:36:44,847 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 10:36:44,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-22 10:36:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2020-12-22 10:36:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-22 10:36:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 24 transitions. [2020-12-22 10:36:44,851 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 24 transitions. Word has length 6 [2020-12-22 10:36:44,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:44,851 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 24 transitions. [2020-12-22 10:36:44,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 10:36:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2020-12-22 10:36:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 10:36:44,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:44,852 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-12-22 10:36:44,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 10:36:44,853 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:44,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:44,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1482904719, now seen corresponding path program 1 times [2020-12-22 10:36:44,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:44,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51639173] [2020-12-22 10:36:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:36:44,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:36:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:36:44,886 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:36:44,907 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 10:36:44,907 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 10:36:44,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 10:36:44,908 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 10:36:44,908 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-22 10:36:44,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,930 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,930 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,930 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,931 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,931 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:44,932 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 10:36:44,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-22 10:36:44,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 10:36:44,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 10:36:44,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 10:36:44,934 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 10:36:44,934 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 10:36:44,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 10:36:44,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 10:36:44,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 10:36:44,937 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 10:36:44,937 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 116 flow [2020-12-22 10:36:44,938 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 52 transitions, 116 flow [2020-12-22 10:36:44,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-12-22 10:36:44,955 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-12-22 10:36:44,955 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-22 10:36:44,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 146 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2020-12-22 10:36:44,959 INFO L116 LiptonReduction]: Number of co-enabled transitions 980 [2020-12-22 10:36:46,627 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-22 10:36:46,874 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-22 10:36:46,954 INFO L131 LiptonReduction]: Checked pairs total: 1920 [2020-12-22 10:36:46,954 INFO L133 LiptonReduction]: Total number of compositions: 39 [2020-12-22 10:36:46,954 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 21 transitions, 54 flow [2020-12-22 10:36:46,971 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 208 states. [2020-12-22 10:36:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2020-12-22 10:36:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 10:36:46,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:46,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:46,973 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:46,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:46,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1329389377, now seen corresponding path program 1 times [2020-12-22 10:36:46,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:46,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722166107] [2020-12-22 10:36:46,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:47,051 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 10:36:47,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722166107] [2020-12-22 10:36:47,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:47,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:47,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036203431] [2020-12-22 10:36:47,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:36:47,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:47,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:36:47,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:47,054 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 5 states. [2020-12-22 10:36:47,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:47,120 INFO L93 Difference]: Finished difference Result 251 states and 667 transitions. [2020-12-22 10:36:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:36:47,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-12-22 10:36:47,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:47,129 INFO L225 Difference]: With dead ends: 251 [2020-12-22 10:36:47,129 INFO L226 Difference]: Without dead ends: 251 [2020-12-22 10:36:47,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:47,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-12-22 10:36:47,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 211. [2020-12-22 10:36:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-12-22 10:36:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 561 transitions. [2020-12-22 10:36:47,181 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 561 transitions. Word has length 7 [2020-12-22 10:36:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:47,182 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 561 transitions. [2020-12-22 10:36:47,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:36:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 561 transitions. [2020-12-22 10:36:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 10:36:47,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:47,184 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:47,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 10:36:47,184 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:47,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:47,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1937889429, now seen corresponding path program 1 times [2020-12-22 10:36:47,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:47,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768538275] [2020-12-22 10:36:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:36:47,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768538275] [2020-12-22 10:36:47,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:47,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:47,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750345395] [2020-12-22 10:36:47,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:36:47,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:36:47,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:47,284 INFO L87 Difference]: Start difference. First operand 211 states and 561 transitions. Second operand 4 states. [2020-12-22 10:36:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:47,364 INFO L93 Difference]: Finished difference Result 232 states and 621 transitions. [2020-12-22 10:36:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:36:47,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-22 10:36:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:47,368 INFO L225 Difference]: With dead ends: 232 [2020-12-22 10:36:47,369 INFO L226 Difference]: Without dead ends: 232 [2020-12-22 10:36:47,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-12-22 10:36:47,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 182. [2020-12-22 10:36:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-12-22 10:36:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 488 transitions. [2020-12-22 10:36:47,394 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 488 transitions. Word has length 9 [2020-12-22 10:36:47,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:47,394 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 488 transitions. [2020-12-22 10:36:47,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:36:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 488 transitions. [2020-12-22 10:36:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 10:36:47,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:47,396 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-12-22 10:36:47,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 10:36:47,397 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:47,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:47,397 INFO L82 PathProgramCache]: Analyzing trace with hash -642168034, now seen corresponding path program 1 times [2020-12-22 10:36:47,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:47,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927817252] [2020-12-22 10:36:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:36:47,412 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:36:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:36:47,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:36:47,428 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 10:36:47,429 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 10:36:47,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 10:36:47,429 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 10:36:47,436 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-22 10:36:47,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,480 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:47,485 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 10:36:47,485 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-22 10:36:47,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 10:36:47,488 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 10:36:47,488 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 10:36:47,488 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 10:36:47,488 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 10:36:47,488 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 10:36:47,488 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 10:36:47,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 10:36:47,493 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 10:36:47,494 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 67 transitions, 155 flow [2020-12-22 10:36:47,494 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 67 transitions, 155 flow [2020-12-22 10:36:47,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 67 transitions, 155 flow [2020-12-22 10:36:47,533 INFO L129 PetriNetUnfolder]: 10/93 cut-off events. [2020-12-22 10:36:47,533 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-12-22 10:36:47,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 93 events. 10/93 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 235 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-12-22 10:36:47,540 INFO L116 LiptonReduction]: Number of co-enabled transitions 2100 [2020-12-22 10:36:49,762 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 10:36:50,002 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 10:36:50,077 INFO L131 LiptonReduction]: Checked pairs total: 5285 [2020-12-22 10:36:50,078 INFO L133 LiptonReduction]: Total number of compositions: 49 [2020-12-22 10:36:50,079 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 29 transitions, 79 flow [2020-12-22 10:36:50,173 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1252 states. [2020-12-22 10:36:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states. [2020-12-22 10:36:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 10:36:50,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:50,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:50,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:50,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:50,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1026612643, now seen corresponding path program 1 times [2020-12-22 10:36:50,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:50,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288015860] [2020-12-22 10:36:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:50,278 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 10:36:50,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288015860] [2020-12-22 10:36:50,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:50,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:50,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611401715] [2020-12-22 10:36:50,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:36:50,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:50,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:36:50,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:50,283 INFO L87 Difference]: Start difference. First operand 1252 states. Second operand 5 states. [2020-12-22 10:36:50,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:50,385 INFO L93 Difference]: Finished difference Result 1547 states and 5625 transitions. [2020-12-22 10:36:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:36:50,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-12-22 10:36:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:50,405 INFO L225 Difference]: With dead ends: 1547 [2020-12-22 10:36:50,405 INFO L226 Difference]: Without dead ends: 1547 [2020-12-22 10:36:50,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2020-12-22 10:36:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1213. [2020-12-22 10:36:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-12-22 10:36:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 4426 transitions. [2020-12-22 10:36:50,503 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 4426 transitions. Word has length 7 [2020-12-22 10:36:50,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:50,504 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 4426 transitions. [2020-12-22 10:36:50,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:36:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 4426 transitions. [2020-12-22 10:36:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 10:36:50,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:50,509 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:50,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 10:36:50,509 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:50,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1267751229, now seen corresponding path program 1 times [2020-12-22 10:36:50,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:50,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620601319] [2020-12-22 10:36:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:36:50,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620601319] [2020-12-22 10:36:50,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:50,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:50,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267139584] [2020-12-22 10:36:50,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:36:50,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:50,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:36:50,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:50,628 INFO L87 Difference]: Start difference. First operand 1213 states and 4426 transitions. Second operand 4 states. [2020-12-22 10:36:50,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:50,766 INFO L93 Difference]: Finished difference Result 1516 states and 5554 transitions. [2020-12-22 10:36:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:36:50,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-22 10:36:50,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:50,781 INFO L225 Difference]: With dead ends: 1516 [2020-12-22 10:36:50,781 INFO L226 Difference]: Without dead ends: 1516 [2020-12-22 10:36:50,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:50,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-12-22 10:36:50,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1241. [2020-12-22 10:36:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-12-22 10:36:50,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 4558 transitions. [2020-12-22 10:36:50,845 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 4558 transitions. Word has length 9 [2020-12-22 10:36:50,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:50,845 INFO L481 AbstractCegarLoop]: Abstraction has 1241 states and 4558 transitions. [2020-12-22 10:36:50,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:36:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 4558 transitions. [2020-12-22 10:36:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 10:36:50,848 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:50,849 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:50,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 10:36:50,849 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:50,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:50,849 INFO L82 PathProgramCache]: Analyzing trace with hash 966600390, now seen corresponding path program 1 times [2020-12-22 10:36:50,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:50,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057638445] [2020-12-22 10:36:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 10:36:50,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057638445] [2020-12-22 10:36:50,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:50,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:50,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880086976] [2020-12-22 10:36:50,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:36:50,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:50,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:36:50,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:50,927 INFO L87 Difference]: Start difference. First operand 1241 states and 4558 transitions. Second operand 5 states. [2020-12-22 10:36:51,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:51,034 INFO L93 Difference]: Finished difference Result 1685 states and 6153 transitions. [2020-12-22 10:36:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:36:51,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 10:36:51,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:51,055 INFO L225 Difference]: With dead ends: 1685 [2020-12-22 10:36:51,055 INFO L226 Difference]: Without dead ends: 1685 [2020-12-22 10:36:51,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2020-12-22 10:36:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1404. [2020-12-22 10:36:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1404 states. [2020-12-22 10:36:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 5142 transitions. [2020-12-22 10:36:51,138 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 5142 transitions. Word has length 10 [2020-12-22 10:36:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:51,139 INFO L481 AbstractCegarLoop]: Abstraction has 1404 states and 5142 transitions. [2020-12-22 10:36:51,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:36:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 5142 transitions. [2020-12-22 10:36:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 10:36:51,144 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:51,144 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:51,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 10:36:51,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1190016212, now seen corresponding path program 1 times [2020-12-22 10:36:51,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:51,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879220128] [2020-12-22 10:36:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 10:36:51,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879220128] [2020-12-22 10:36:51,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:51,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:51,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082666393] [2020-12-22 10:36:51,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:36:51,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:51,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:36:51,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:51,244 INFO L87 Difference]: Start difference. First operand 1404 states and 5142 transitions. Second operand 4 states. [2020-12-22 10:36:51,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:51,369 INFO L93 Difference]: Finished difference Result 1785 states and 6555 transitions. [2020-12-22 10:36:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:36:51,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-22 10:36:51,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:51,386 INFO L225 Difference]: With dead ends: 1785 [2020-12-22 10:36:51,386 INFO L226 Difference]: Without dead ends: 1785 [2020-12-22 10:36:51,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:51,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2020-12-22 10:36:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1545. [2020-12-22 10:36:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-12-22 10:36:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 5692 transitions. [2020-12-22 10:36:51,460 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 5692 transitions. Word has length 12 [2020-12-22 10:36:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:51,461 INFO L481 AbstractCegarLoop]: Abstraction has 1545 states and 5692 transitions. [2020-12-22 10:36:51,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:36:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 5692 transitions. [2020-12-22 10:36:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 10:36:51,462 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:51,462 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-12-22 10:36:51,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 10:36:51,462 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 10:36:51,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:51,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1929355263, now seen corresponding path program 1 times [2020-12-22 10:36:51,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:51,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888906712] [2020-12-22 10:36:51,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:36:51,473 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:36:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:36:51,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:36:51,487 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 10:36:51,488 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 10:36:51,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 10:36:51,488 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 10:36:51,489 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-22 10:36:51,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,515 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,539 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:36:51,540 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 10:36:51,540 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-22 10:36:51,541 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 10:36:51,541 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 10:36:51,541 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 10:36:51,541 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 10:36:51,541 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 10:36:51,541 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 10:36:51,541 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 10:36:51,542 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 10:36:51,545 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 10:36:51,546 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 82 transitions, 196 flow [2020-12-22 10:36:51,546 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 82 transitions, 196 flow [2020-12-22 10:36:51,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 82 transitions, 196 flow [2020-12-22 10:36:51,591 INFO L129 PetriNetUnfolder]: 13/117 cut-off events. [2020-12-22 10:36:51,591 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-12-22 10:36:51,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 117 events. 13/117 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 326 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 101. Up to 10 conditions per place. [2020-12-22 10:36:51,602 INFO L116 LiptonReduction]: Number of co-enabled transitions 3640 [2020-12-22 10:36:54,045 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-22 10:36:54,284 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-22 10:36:54,356 INFO L131 LiptonReduction]: Checked pairs total: 8593 [2020-12-22 10:36:54,356 INFO L133 LiptonReduction]: Total number of compositions: 59 [2020-12-22 10:36:54,356 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 37 transitions, 106 flow [2020-12-22 10:36:55,158 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7516 states. [2020-12-22 10:36:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 7516 states. [2020-12-22 10:36:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 10:36:55,159 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:55,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:55,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:55,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:55,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1861449825, now seen corresponding path program 1 times [2020-12-22 10:36:55,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:55,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415693323] [2020-12-22 10:36:55,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:55,227 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 10:36:55,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415693323] [2020-12-22 10:36:55,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:55,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:55,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752441163] [2020-12-22 10:36:55,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:36:55,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:55,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:36:55,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:55,232 INFO L87 Difference]: Start difference. First operand 7516 states. Second operand 5 states. [2020-12-22 10:36:55,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:55,474 INFO L93 Difference]: Finished difference Result 8945 states and 41357 transitions. [2020-12-22 10:36:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:36:55,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-12-22 10:36:55,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:55,595 INFO L225 Difference]: With dead ends: 8945 [2020-12-22 10:36:55,595 INFO L226 Difference]: Without dead ends: 8945 [2020-12-22 10:36:55,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8945 states. [2020-12-22 10:36:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8945 to 6943. [2020-12-22 10:36:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6943 states. [2020-12-22 10:36:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 32243 transitions. [2020-12-22 10:36:56,146 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 32243 transitions. Word has length 7 [2020-12-22 10:36:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:56,146 INFO L481 AbstractCegarLoop]: Abstraction has 6943 states and 32243 transitions. [2020-12-22 10:36:56,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:36:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 32243 transitions. [2020-12-22 10:36:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 10:36:56,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:56,147 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:56,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 10:36:56,147 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:56,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:56,148 INFO L82 PathProgramCache]: Analyzing trace with hash 2146863460, now seen corresponding path program 1 times [2020-12-22 10:36:56,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:56,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375323149] [2020-12-22 10:36:56,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:36:56,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375323149] [2020-12-22 10:36:56,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:56,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:56,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330209190] [2020-12-22 10:36:56,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:36:56,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:56,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:36:56,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:56,219 INFO L87 Difference]: Start difference. First operand 6943 states and 32243 transitions. Second operand 4 states. [2020-12-22 10:36:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:56,553 INFO L93 Difference]: Finished difference Result 9334 states and 43415 transitions. [2020-12-22 10:36:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:36:56,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-22 10:36:56,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:56,665 INFO L225 Difference]: With dead ends: 9334 [2020-12-22 10:36:56,665 INFO L226 Difference]: Without dead ends: 9334 [2020-12-22 10:36:56,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:56,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9334 states. [2020-12-22 10:36:57,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9334 to 7850. [2020-12-22 10:36:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7850 states. [2020-12-22 10:36:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7850 states to 7850 states and 36573 transitions. [2020-12-22 10:36:57,177 INFO L78 Accepts]: Start accepts. Automaton has 7850 states and 36573 transitions. Word has length 9 [2020-12-22 10:36:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:57,178 INFO L481 AbstractCegarLoop]: Abstraction has 7850 states and 36573 transitions. [2020-12-22 10:36:57,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:36:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7850 states and 36573 transitions. [2020-12-22 10:36:57,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 10:36:57,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:57,179 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:57,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 10:36:57,179 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:57,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:57,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1968763909, now seen corresponding path program 1 times [2020-12-22 10:36:57,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:57,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131530561] [2020-12-22 10:36:57,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 10:36:57,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131530561] [2020-12-22 10:36:57,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:57,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:57,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343285119] [2020-12-22 10:36:57,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:36:57,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:57,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:36:57,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:57,345 INFO L87 Difference]: Start difference. First operand 7850 states and 36573 transitions. Second operand 5 states. [2020-12-22 10:36:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:57,564 INFO L93 Difference]: Finished difference Result 10343 states and 47933 transitions. [2020-12-22 10:36:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:36:57,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 10:36:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:57,628 INFO L225 Difference]: With dead ends: 10343 [2020-12-22 10:36:57,628 INFO L226 Difference]: Without dead ends: 10343 [2020-12-22 10:36:57,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:36:57,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10343 states. [2020-12-22 10:36:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10343 to 8547. [2020-12-22 10:36:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8547 states. [2020-12-22 10:36:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8547 states to 8547 states and 39726 transitions. [2020-12-22 10:36:58,257 INFO L78 Accepts]: Start accepts. Automaton has 8547 states and 39726 transitions. Word has length 10 [2020-12-22 10:36:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:58,257 INFO L481 AbstractCegarLoop]: Abstraction has 8547 states and 39726 transitions. [2020-12-22 10:36:58,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:36:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 8547 states and 39726 transitions. [2020-12-22 10:36:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 10:36:58,258 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:58,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:58,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 10:36:58,259 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:58,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2098473216, now seen corresponding path program 1 times [2020-12-22 10:36:58,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:58,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132768216] [2020-12-22 10:36:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 10:36:58,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132768216] [2020-12-22 10:36:58,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:36:58,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:36:58,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482059118] [2020-12-22 10:36:58,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:36:58,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:58,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:36:58,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:58,312 INFO L87 Difference]: Start difference. First operand 8547 states and 39726 transitions. Second operand 4 states. [2020-12-22 10:36:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:36:58,622 INFO L93 Difference]: Finished difference Result 11574 states and 53865 transitions. [2020-12-22 10:36:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:36:58,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-22 10:36:58,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:36:58,693 INFO L225 Difference]: With dead ends: 11574 [2020-12-22 10:36:58,693 INFO L226 Difference]: Without dead ends: 11574 [2020-12-22 10:36:58,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:36:58,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11574 states. [2020-12-22 10:36:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11574 to 10068. [2020-12-22 10:36:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10068 states. [2020-12-22 10:36:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 46954 transitions. [2020-12-22 10:36:59,443 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 46954 transitions. Word has length 12 [2020-12-22 10:36:59,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:36:59,443 INFO L481 AbstractCegarLoop]: Abstraction has 10068 states and 46954 transitions. [2020-12-22 10:36:59,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:36:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 46954 transitions. [2020-12-22 10:36:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 10:36:59,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:36:59,444 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:36:59,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 10:36:59,445 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:36:59,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:36:59,445 INFO L82 PathProgramCache]: Analyzing trace with hash -931378679, now seen corresponding path program 1 times [2020-12-22 10:36:59,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:36:59,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451050635] [2020-12-22 10:36:59,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:36:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:59,612 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2020-12-22 10:36:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:36:59,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451050635] [2020-12-22 10:36:59,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427772523] [2020-12-22 10:36:59,614 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 10:36:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:36:59,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-22 10:36:59,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 10:36:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:36:59,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 10:36:59,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2020-12-22 10:36:59,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139783841] [2020-12-22 10:36:59,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 10:36:59,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:36:59,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 10:36:59,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 10:36:59,923 INFO L87 Difference]: Start difference. First operand 10068 states and 46954 transitions. Second operand 9 states. [2020-12-22 10:37:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:00,160 INFO L93 Difference]: Finished difference Result 2187 states and 7920 transitions. [2020-12-22 10:37:00,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 10:37:00,161 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-12-22 10:37:00,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:00,171 INFO L225 Difference]: With dead ends: 2187 [2020-12-22 10:37:00,172 INFO L226 Difference]: Without dead ends: 2187 [2020-12-22 10:37:00,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 10:37:00,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2020-12-22 10:37:00,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 1721. [2020-12-22 10:37:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2020-12-22 10:37:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 6117 transitions. [2020-12-22 10:37:00,324 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 6117 transitions. Word has length 13 [2020-12-22 10:37:00,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:00,324 INFO L481 AbstractCegarLoop]: Abstraction has 1721 states and 6117 transitions. [2020-12-22 10:37:00,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 10:37:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 6117 transitions. [2020-12-22 10:37:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 10:37:00,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:00,325 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:00,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 10:37:00,540 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:00,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1318990058, now seen corresponding path program 1 times [2020-12-22 10:37:00,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:00,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411344763] [2020-12-22 10:37:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 10:37:00,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411344763] [2020-12-22 10:37:00,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:00,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:00,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697611484] [2020-12-22 10:37:00,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:37:00,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:37:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:00,612 INFO L87 Difference]: Start difference. First operand 1721 states and 6117 transitions. Second operand 5 states. [2020-12-22 10:37:00,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:00,698 INFO L93 Difference]: Finished difference Result 2966 states and 10590 transitions. [2020-12-22 10:37:00,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:37:00,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 10:37:00,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:00,708 INFO L225 Difference]: With dead ends: 2966 [2020-12-22 10:37:00,708 INFO L226 Difference]: Without dead ends: 2966 [2020-12-22 10:37:00,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:00,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2020-12-22 10:37:00,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 1991. [2020-12-22 10:37:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1991 states. [2020-12-22 10:37:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 7107 transitions. [2020-12-22 10:37:00,786 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 7107 transitions. Word has length 13 [2020-12-22 10:37:00,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:00,788 INFO L481 AbstractCegarLoop]: Abstraction has 1991 states and 7107 transitions. [2020-12-22 10:37:00,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:37:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 7107 transitions. [2020-12-22 10:37:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 10:37:00,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:00,790 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:00,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 10:37:00,791 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:00,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:00,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1171589853, now seen corresponding path program 1 times [2020-12-22 10:37:00,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:00,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133000217] [2020-12-22 10:37:00,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:37:00,807 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:37:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:37:00,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:37:00,836 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 10:37:00,837 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 10:37:00,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 10:37:00,838 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 10:37:00,839 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,869 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,872 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,873 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:00,891 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 10:37:00,891 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-22 10:37:00,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 10:37:00,894 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 10:37:00,894 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 10:37:00,894 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 10:37:00,894 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 10:37:00,894 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 10:37:00,894 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 10:37:00,894 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 10:37:00,896 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 10:37:00,896 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 97 transitions, 239 flow [2020-12-22 10:37:00,896 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 97 transitions, 239 flow [2020-12-22 10:37:00,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 97 transitions, 239 flow [2020-12-22 10:37:00,940 INFO L129 PetriNetUnfolder]: 16/141 cut-off events. [2020-12-22 10:37:00,940 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-12-22 10:37:00,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 141 events. 16/141 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 413 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 130. Up to 12 conditions per place. [2020-12-22 10:37:00,950 INFO L116 LiptonReduction]: Number of co-enabled transitions 5600 [2020-12-22 10:37:03,918 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-22 10:37:04,129 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 10:37:04,350 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 10:37:04,428 INFO L131 LiptonReduction]: Checked pairs total: 14549 [2020-12-22 10:37:04,428 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-12-22 10:37:04,429 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 44 transitions, 133 flow [2020-12-22 10:37:17,506 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 45100 states. [2020-12-22 10:37:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 45100 states. [2020-12-22 10:37:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 10:37:17,506 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:17,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:17,507 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:17,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:17,508 INFO L82 PathProgramCache]: Analyzing trace with hash 654833038, now seen corresponding path program 1 times [2020-12-22 10:37:17,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:17,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450988398] [2020-12-22 10:37:17,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:17,551 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 10:37:17,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450988398] [2020-12-22 10:37:17,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:17,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:17,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496654839] [2020-12-22 10:37:17,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:37:17,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:17,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:37:17,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:17,554 INFO L87 Difference]: Start difference. First operand 45100 states. Second operand 5 states. [2020-12-22 10:37:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:18,572 INFO L93 Difference]: Finished difference Result 50507 states and 283723 transitions. [2020-12-22 10:37:18,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:37:18,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-12-22 10:37:18,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:19,433 INFO L225 Difference]: With dead ends: 50507 [2020-12-22 10:37:19,433 INFO L226 Difference]: Without dead ends: 50507 [2020-12-22 10:37:19,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:21,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50507 states. [2020-12-22 10:37:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50507 to 39997. [2020-12-22 10:37:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39997 states. [2020-12-22 10:37:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39997 states to 39997 states and 225588 transitions. [2020-12-22 10:37:23,378 INFO L78 Accepts]: Start accepts. Automaton has 39997 states and 225588 transitions. Word has length 7 [2020-12-22 10:37:23,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:23,378 INFO L481 AbstractCegarLoop]: Abstraction has 39997 states and 225588 transitions. [2020-12-22 10:37:23,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:37:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand 39997 states and 225588 transitions. [2020-12-22 10:37:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 10:37:23,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:23,379 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:23,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 10:37:23,379 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:23,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:23,380 INFO L82 PathProgramCache]: Analyzing trace with hash -2065656834, now seen corresponding path program 1 times [2020-12-22 10:37:23,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:23,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081766108] [2020-12-22 10:37:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 10:37:23,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081766108] [2020-12-22 10:37:23,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:23,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:23,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984897705] [2020-12-22 10:37:23,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:37:23,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:23,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:37:23,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:23,812 INFO L87 Difference]: Start difference. First operand 39997 states and 225588 transitions. Second operand 4 states. [2020-12-22 10:37:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:24,887 INFO L93 Difference]: Finished difference Result 56104 states and 316572 transitions. [2020-12-22 10:37:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:37:24,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-22 10:37:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:25,529 INFO L225 Difference]: With dead ends: 56104 [2020-12-22 10:37:25,529 INFO L226 Difference]: Without dead ends: 56104 [2020-12-22 10:37:25,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:27,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56104 states. [2020-12-22 10:37:29,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56104 to 48029. [2020-12-22 10:37:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48029 states. [2020-12-22 10:37:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48029 states to 48029 states and 271277 transitions. [2020-12-22 10:37:29,952 INFO L78 Accepts]: Start accepts. Automaton has 48029 states and 271277 transitions. Word has length 9 [2020-12-22 10:37:29,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:29,952 INFO L481 AbstractCegarLoop]: Abstraction has 48029 states and 271277 transitions. [2020-12-22 10:37:29,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:37:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 48029 states and 271277 transitions. [2020-12-22 10:37:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 10:37:29,953 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:29,953 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:29,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 10:37:29,954 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:29,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1261268117, now seen corresponding path program 1 times [2020-12-22 10:37:29,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:29,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517530617] [2020-12-22 10:37:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 10:37:29,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517530617] [2020-12-22 10:37:29,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:29,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:29,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13822524] [2020-12-22 10:37:29,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:37:29,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:29,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:37:29,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:29,995 INFO L87 Difference]: Start difference. First operand 48029 states and 271277 transitions. Second operand 5 states. [2020-12-22 10:37:31,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:31,037 INFO L93 Difference]: Finished difference Result 60653 states and 341167 transitions. [2020-12-22 10:37:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:37:31,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-22 10:37:31,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:31,441 INFO L225 Difference]: With dead ends: 60653 [2020-12-22 10:37:31,441 INFO L226 Difference]: Without dead ends: 60653 [2020-12-22 10:37:31,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:33,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60653 states. [2020-12-22 10:37:34,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60653 to 50928. [2020-12-22 10:37:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50928 states. [2020-12-22 10:37:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50928 states to 50928 states and 287199 transitions. [2020-12-22 10:37:35,413 INFO L78 Accepts]: Start accepts. Automaton has 50928 states and 287199 transitions. Word has length 10 [2020-12-22 10:37:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:35,413 INFO L481 AbstractCegarLoop]: Abstraction has 50928 states and 287199 transitions. [2020-12-22 10:37:35,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:37:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 50928 states and 287199 transitions. [2020-12-22 10:37:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-22 10:37:35,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:35,416 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:35,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 10:37:35,419 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:35,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:35,427 INFO L82 PathProgramCache]: Analyzing trace with hash -897841521, now seen corresponding path program 1 times [2020-12-22 10:37:35,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:35,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445783700] [2020-12-22 10:37:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 10:37:35,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445783700] [2020-12-22 10:37:35,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:35,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:35,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953170648] [2020-12-22 10:37:35,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:37:35,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:35,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:37:35,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:35,510 INFO L87 Difference]: Start difference. First operand 50928 states and 287199 transitions. Second operand 4 states. [2020-12-22 10:37:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:36,821 INFO L93 Difference]: Finished difference Result 71415 states and 402930 transitions. [2020-12-22 10:37:36,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:37:36,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-22 10:37:36,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:37,768 INFO L225 Difference]: With dead ends: 71415 [2020-12-22 10:37:37,768 INFO L226 Difference]: Without dead ends: 71415 [2020-12-22 10:37:37,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:39,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71415 states. [2020-12-22 10:37:41,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71415 to 62439. [2020-12-22 10:37:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62439 states. [2020-12-22 10:37:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62439 states to 62439 states and 352729 transitions. [2020-12-22 10:37:42,451 INFO L78 Accepts]: Start accepts. Automaton has 62439 states and 352729 transitions. Word has length 12 [2020-12-22 10:37:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:42,451 INFO L481 AbstractCegarLoop]: Abstraction has 62439 states and 352729 transitions. [2020-12-22 10:37:42,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:37:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 62439 states and 352729 transitions. [2020-12-22 10:37:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 10:37:42,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:42,454 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:42,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 10:37:42,455 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:42,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:42,455 INFO L82 PathProgramCache]: Analyzing trace with hash 129583510, now seen corresponding path program 1 times [2020-12-22 10:37:42,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:42,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283002568] [2020-12-22 10:37:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 10:37:42,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283002568] [2020-12-22 10:37:42,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354067834] [2020-12-22 10:37:42,512 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 10:37:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:42,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-22 10:37:42,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 10:37:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 10:37:42,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 10:37:42,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2020-12-22 10:37:42,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393129391] [2020-12-22 10:37:42,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 10:37:42,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:42,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 10:37:42,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 10:37:42,669 INFO L87 Difference]: Start difference. First operand 62439 states and 352729 transitions. Second operand 9 states. [2020-12-22 10:37:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:43,051 INFO L93 Difference]: Finished difference Result 8460 states and 36312 transitions. [2020-12-22 10:37:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 10:37:43,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-12-22 10:37:43,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:43,075 INFO L225 Difference]: With dead ends: 8460 [2020-12-22 10:37:43,075 INFO L226 Difference]: Without dead ends: 8460 [2020-12-22 10:37:43,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-22 10:37:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8460 states. [2020-12-22 10:37:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8460 to 6538. [2020-12-22 10:37:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6538 states. [2020-12-22 10:37:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6538 states to 6538 states and 27580 transitions. [2020-12-22 10:37:43,710 INFO L78 Accepts]: Start accepts. Automaton has 6538 states and 27580 transitions. Word has length 13 [2020-12-22 10:37:43,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:43,710 INFO L481 AbstractCegarLoop]: Abstraction has 6538 states and 27580 transitions. [2020-12-22 10:37:43,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 10:37:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 6538 states and 27580 transitions. [2020-12-22 10:37:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 10:37:43,712 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:43,712 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:43,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-22 10:37:43,925 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:43,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:43,926 INFO L82 PathProgramCache]: Analyzing trace with hash 107275697, now seen corresponding path program 1 times [2020-12-22 10:37:43,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:43,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873338199] [2020-12-22 10:37:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 10:37:43,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873338199] [2020-12-22 10:37:43,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:43,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:43,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611401970] [2020-12-22 10:37:43,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:37:43,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:43,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:37:43,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:43,989 INFO L87 Difference]: Start difference. First operand 6538 states and 27580 transitions. Second operand 5 states. [2020-12-22 10:37:44,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:44,142 INFO L93 Difference]: Finished difference Result 11626 states and 49057 transitions. [2020-12-22 10:37:44,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:37:44,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 10:37:44,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:44,173 INFO L225 Difference]: With dead ends: 11626 [2020-12-22 10:37:44,174 INFO L226 Difference]: Without dead ends: 11626 [2020-12-22 10:37:44,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11626 states. [2020-12-22 10:37:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11626 to 7402. [2020-12-22 10:37:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7402 states. [2020-12-22 10:37:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7402 states to 7402 states and 31270 transitions. [2020-12-22 10:37:44,453 INFO L78 Accepts]: Start accepts. Automaton has 7402 states and 31270 transitions. Word has length 13 [2020-12-22 10:37:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:44,453 INFO L481 AbstractCegarLoop]: Abstraction has 7402 states and 31270 transitions. [2020-12-22 10:37:44,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:37:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 7402 states and 31270 transitions. [2020-12-22 10:37:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 10:37:44,455 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:44,455 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:44,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 10:37:44,455 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:44,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:44,456 INFO L82 PathProgramCache]: Analyzing trace with hash 12724957, now seen corresponding path program 1 times [2020-12-22 10:37:44,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:44,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559201750] [2020-12-22 10:37:44,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 10:37:44,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559201750] [2020-12-22 10:37:44,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:44,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:44,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889174629] [2020-12-22 10:37:44,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:37:44,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:44,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:37:44,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:44,520 INFO L87 Difference]: Start difference. First operand 7402 states and 31270 transitions. Second operand 4 states. [2020-12-22 10:37:44,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:44,630 INFO L93 Difference]: Finished difference Result 6970 states and 29425 transitions. [2020-12-22 10:37:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:37:44,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-12-22 10:37:44,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:44,663 INFO L225 Difference]: With dead ends: 6970 [2020-12-22 10:37:44,663 INFO L226 Difference]: Without dead ends: 6970 [2020-12-22 10:37:44,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:45,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6970 states. [2020-12-22 10:37:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6970 to 6106. [2020-12-22 10:37:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6106 states. [2020-12-22 10:37:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6106 states to 6106 states and 25735 transitions. [2020-12-22 10:37:45,304 INFO L78 Accepts]: Start accepts. Automaton has 6106 states and 25735 transitions. Word has length 15 [2020-12-22 10:37:45,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:45,304 INFO L481 AbstractCegarLoop]: Abstraction has 6106 states and 25735 transitions. [2020-12-22 10:37:45,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:37:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6106 states and 25735 transitions. [2020-12-22 10:37:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 10:37:45,306 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:45,306 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:45,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-22 10:37:45,306 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:45,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:45,307 INFO L82 PathProgramCache]: Analyzing trace with hash -780330324, now seen corresponding path program 1 times [2020-12-22 10:37:45,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:45,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063913872] [2020-12-22 10:37:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 10:37:45,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063913872] [2020-12-22 10:37:45,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:45,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:45,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780501667] [2020-12-22 10:37:45,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 10:37:45,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:45,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 10:37:45,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:45,357 INFO L87 Difference]: Start difference. First operand 6106 states and 25735 transitions. Second operand 5 states. [2020-12-22 10:37:45,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:45,556 INFO L93 Difference]: Finished difference Result 10825 states and 45769 transitions. [2020-12-22 10:37:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 10:37:45,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-22 10:37:45,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:45,610 INFO L225 Difference]: With dead ends: 10825 [2020-12-22 10:37:45,610 INFO L226 Difference]: Without dead ends: 10825 [2020-12-22 10:37:45,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 10:37:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10825 states. [2020-12-22 10:37:46,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10825 to 6916. [2020-12-22 10:37:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6916 states. [2020-12-22 10:37:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6916 states to 6916 states and 29245 transitions. [2020-12-22 10:37:46,040 INFO L78 Accepts]: Start accepts. Automaton has 6916 states and 29245 transitions. Word has length 16 [2020-12-22 10:37:46,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:46,041 INFO L481 AbstractCegarLoop]: Abstraction has 6916 states and 29245 transitions. [2020-12-22 10:37:46,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 10:37:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6916 states and 29245 transitions. [2020-12-22 10:37:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 10:37:46,046 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:46,046 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:46,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-22 10:37:46,046 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:46,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:46,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1721829180, now seen corresponding path program 1 times [2020-12-22 10:37:46,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:46,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537720696] [2020-12-22 10:37:46,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 10:37:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 10:37:46,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537720696] [2020-12-22 10:37:46,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 10:37:46,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 10:37:46,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533461907] [2020-12-22 10:37:46,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 10:37:46,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 10:37:46,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 10:37:46,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:46,140 INFO L87 Difference]: Start difference. First operand 6916 states and 29245 transitions. Second operand 4 states. [2020-12-22 10:37:46,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 10:37:46,360 INFO L93 Difference]: Finished difference Result 6511 states and 27490 transitions. [2020-12-22 10:37:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 10:37:46,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-12-22 10:37:46,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 10:37:46,379 INFO L225 Difference]: With dead ends: 6511 [2020-12-22 10:37:46,380 INFO L226 Difference]: Without dead ends: 6511 [2020-12-22 10:37:46,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 10:37:46,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2020-12-22 10:37:46,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 5701. [2020-12-22 10:37:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5701 states. [2020-12-22 10:37:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 23980 transitions. [2020-12-22 10:37:46,573 INFO L78 Accepts]: Start accepts. Automaton has 5701 states and 23980 transitions. Word has length 18 [2020-12-22 10:37:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 10:37:46,574 INFO L481 AbstractCegarLoop]: Abstraction has 5701 states and 23980 transitions. [2020-12-22 10:37:46,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 10:37:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 23980 transitions. [2020-12-22 10:37:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 10:37:46,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 10:37:46,577 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 10:37:46,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-22 10:37:46,578 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 10:37:46,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 10:37:46,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1494103565, now seen corresponding path program 1 times [2020-12-22 10:37:46,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 10:37:46,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845151092] [2020-12-22 10:37:46,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 10:37:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:37:46,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:37:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 10:37:46,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 10:37:46,601 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 10:37:46,601 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 10:37:46,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-22 10:37:46,601 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 10:37:46,602 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-12-22 10:37:46,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,647 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,648 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,649 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,649 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,649 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,650 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,650 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,653 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 10:37:46,656 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 10:37:46,656 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-22 10:37:46,657 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 10:37:46,657 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 10:37:46,657 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 10:37:46,657 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 10:37:46,657 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 10:37:46,657 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 10:37:46,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 10:37:46,658 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 10:37:46,659 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 10:37:46,659 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 112 transitions, 284 flow [2020-12-22 10:37:46,659 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 112 transitions, 284 flow [2020-12-22 10:37:46,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 112 transitions, 284 flow [2020-12-22 10:37:46,693 INFO L129 PetriNetUnfolder]: 19/165 cut-off events. [2020-12-22 10:37:46,693 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-12-22 10:37:46,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 165 events. 19/165 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 498 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 161. Up to 14 conditions per place. [2020-12-22 10:37:46,706 INFO L116 LiptonReduction]: Number of co-enabled transitions 7980 [2020-12-22 10:37:50,189 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-22 10:37:50,414 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-22 10:37:50,502 INFO L131 LiptonReduction]: Checked pairs total: 19964 [2020-12-22 10:37:50,502 INFO L133 LiptonReduction]: Total number of compositions: 83 [2020-12-22 10:37:50,502 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 53 transitions, 166 flow