/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 01:01:04,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 01:01:04,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 01:01:04,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 01:01:04,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 01:01:04,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 01:01:04,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 01:01:04,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 01:01:04,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 01:01:04,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 01:01:04,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 01:01:04,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 01:01:04,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 01:01:04,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 01:01:04,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 01:01:04,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 01:01:04,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 01:01:04,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 01:01:04,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 01:01:04,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 01:01:04,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 01:01:04,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 01:01:04,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 01:01:04,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 01:01:04,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 01:01:04,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 01:01:04,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 01:01:04,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 01:01:04,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 01:01:04,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 01:01:04,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 01:01:04,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 01:01:04,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 01:01:04,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 01:01:04,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 01:01:04,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 01:01:04,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 01:01:04,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 01:01:04,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 01:01:04,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 01:01:04,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 01:01:04,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-27 01:01:04,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 01:01:04,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 01:01:04,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 01:01:04,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 01:01:04,604 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 01:01:04,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 01:01:04,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 01:01:04,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 01:01:04,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 01:01:04,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 01:01:04,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 01:01:04,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 01:01:04,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 01:01:04,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 01:01:04,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 01:01:04,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 01:01:04,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 01:01:04,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 01:01:04,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 01:01:04,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 01:01:04,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 01:01:04,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 01:01:04,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 01:01:04,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 01:01:04,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 01:01:04,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 01:01:04,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 01:01:04,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 01:01:04,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 01:01:04,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 01:01:04,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 01:01:04,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 01:01:04,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 01:01:04,910 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 01:01:04,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-12-27 01:01:04,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772f0f521/9e3f9ae43863478ca4f454c5e34008a2/FLAG0b0060813 [2019-12-27 01:01:05,503 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 01:01:05,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-12-27 01:01:05,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772f0f521/9e3f9ae43863478ca4f454c5e34008a2/FLAG0b0060813 [2019-12-27 01:01:05,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772f0f521/9e3f9ae43863478ca4f454c5e34008a2 [2019-12-27 01:01:05,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 01:01:05,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 01:01:05,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 01:01:05,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 01:01:05,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 01:01:05,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 01:01:05" (1/1) ... [2019-12-27 01:01:05,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4386bf6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:05, skipping insertion in model container [2019-12-27 01:01:05,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 01:01:05" (1/1) ... [2019-12-27 01:01:05,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 01:01:05,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 01:01:06,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 01:01:06,383 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 01:01:06,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 01:01:06,513 INFO L208 MainTranslator]: Completed translation [2019-12-27 01:01:06,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06 WrapperNode [2019-12-27 01:01:06,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 01:01:06,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 01:01:06,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 01:01:06,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 01:01:06,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 01:01:06,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 01:01:06,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 01:01:06,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 01:01:06,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (1/1) ... [2019-12-27 01:01:06,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 01:01:06,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 01:01:06,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 01:01:06,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 01:01:06,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (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 [2019-12-27 01:01:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 01:01:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 01:01:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 01:01:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 01:01:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 01:01:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 01:01:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 01:01:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 01:01:06,662 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 01:01:06,864 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-12-27 01:01:06,993 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-12-27 01:01:07,112 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 01:01:07,112 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-27 01:01:07,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 01:01:07 BoogieIcfgContainer [2019-12-27 01:01:07,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 01:01:07,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 01:01:07,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 01:01:07,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 01:01:07,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 01:01:05" (1/3) ... [2019-12-27 01:01:07,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c73be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 01:01:07, skipping insertion in model container [2019-12-27 01:01:07,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 01:01:06" (2/3) ... [2019-12-27 01:01:07,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c73be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 01:01:07, skipping insertion in model container [2019-12-27 01:01:07,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 01:01:07" (3/3) ... [2019-12-27 01:01:07,129 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2019-12-27 01:01:07,139 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 01:01:07,140 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 01:01:07,147 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 01:01:07,148 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 01:01:07,173 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,174 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,174 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,174 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,175 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,175 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,176 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,176 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,176 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,177 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,177 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,177 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,177 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,178 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,178 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,190 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,190 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,190 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:07,206 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 01:01:07,224 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 01:01:07,224 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 01:01:07,225 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 01:01:07,225 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 01:01:07,225 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 01:01:07,225 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 01:01:07,225 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 01:01:07,226 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 01:01:07,239 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 82 transitions [2019-12-27 01:01:07,241 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 72 places, 82 transitions [2019-12-27 01:01:07,324 INFO L132 PetriNetUnfolder]: 20/125 cut-off events. [2019-12-27 01:01:07,325 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 01:01:07,335 INFO L76 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 20/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 386 event pairs. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2019-12-27 01:01:07,341 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 72 places, 82 transitions [2019-12-27 01:01:07,369 INFO L132 PetriNetUnfolder]: 20/125 cut-off events. [2019-12-27 01:01:07,369 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 01:01:07,372 INFO L76 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 20/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 386 event pairs. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2019-12-27 01:01:07,376 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2430 [2019-12-27 01:01:07,378 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 01:01:08,625 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4882 [2019-12-27 01:01:08,625 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-27 01:01:08,629 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 36 transitions [2019-12-27 01:01:08,645 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 223 states. [2019-12-27 01:01:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2019-12-27 01:01:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 01:01:08,655 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:08,655 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-27 01:01:08,656 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:08,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:08,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1547932235, now seen corresponding path program 1 times [2019-12-27 01:01:08,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:08,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319936751] [2019-12-27 01:01:08,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:01:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:01:08,844 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 01:01:08,845 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 01:01:08,845 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 01:01:08,846 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 01:01:08,856 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,857 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,857 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,857 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,857 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,858 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,858 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,858 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,858 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,859 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,859 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,859 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,859 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,860 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,860 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,860 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,861 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,861 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,861 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,864 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,864 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,865 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,865 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,865 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,865 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,867 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,867 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,871 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,871 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,872 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,872 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,872 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,872 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,873 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,873 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,873 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,873 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,874 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,874 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,874 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,874 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,876 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,877 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,877 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,877 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,878 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,879 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,879 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,879 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:08,882 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 01:01:08,883 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 01:01:08,883 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 01:01:08,883 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 01:01:08,883 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 01:01:08,883 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 01:01:08,883 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 01:01:08,884 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 01:01:08,884 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 01:01:08,887 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 110 transitions [2019-12-27 01:01:08,887 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 96 places, 110 transitions [2019-12-27 01:01:08,929 INFO L132 PetriNetUnfolder]: 33/197 cut-off events. [2019-12-27 01:01:08,929 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 01:01:08,935 INFO L76 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 197 events. 33/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 734 event pairs. 0/156 useless extension candidates. Maximal degree in co-relation 126. Up to 9 conditions per place. [2019-12-27 01:01:08,964 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 96 places, 110 transitions [2019-12-27 01:01:09,015 INFO L132 PetriNetUnfolder]: 33/197 cut-off events. [2019-12-27 01:01:09,015 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 01:01:09,021 INFO L76 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 197 events. 33/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 734 event pairs. 0/156 useless extension candidates. Maximal degree in co-relation 126. Up to 9 conditions per place. [2019-12-27 01:01:09,030 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6372 [2019-12-27 01:01:09,032 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 01:01:10,649 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14707 [2019-12-27 01:01:10,650 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2019-12-27 01:01:10,650 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 54 transitions [2019-12-27 01:01:10,798 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2914 states. [2019-12-27 01:01:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states. [2019-12-27 01:01:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 01:01:10,800 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:10,800 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 01:01:10,801 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:10,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:10,801 INFO L82 PathProgramCache]: Analyzing trace with hash -582205875, now seen corresponding path program 1 times [2019-12-27 01:01:10,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:10,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151895259] [2019-12-27 01:01:10,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 01:01:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 01:01:10,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151895259] [2019-12-27 01:01:10,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 01:01:10,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 01:01:10,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033135629] [2019-12-27 01:01:10,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 01:01:10,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 01:01:10,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 01:01:10,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 01:01:10,916 INFO L87 Difference]: Start difference. First operand 2914 states. Second operand 2 states. [2019-12-27 01:01:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:01:10,994 INFO L93 Difference]: Finished difference Result 2342 states and 7374 transitions. [2019-12-27 01:01:10,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 01:01:10,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-27 01:01:10,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:01:11,056 INFO L225 Difference]: With dead ends: 2342 [2019-12-27 01:01:11,056 INFO L226 Difference]: Without dead ends: 2342 [2019-12-27 01:01:11,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 01:01:11,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2019-12-27 01:01:11,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2342. [2019-12-27 01:01:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2019-12-27 01:01:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 7374 transitions. [2019-12-27 01:01:11,225 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 7374 transitions. Word has length 6 [2019-12-27 01:01:11,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:01:11,225 INFO L462 AbstractCegarLoop]: Abstraction has 2342 states and 7374 transitions. [2019-12-27 01:01:11,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 01:01:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 7374 transitions. [2019-12-27 01:01:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 01:01:11,227 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:11,227 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 01:01:11,227 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:11,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:11,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1155179207, now seen corresponding path program 1 times [2019-12-27 01:01:11,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:11,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277879827] [2019-12-27 01:01:11,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 01:01:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 01:01:11,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277879827] [2019-12-27 01:01:11,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 01:01:11,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 01:01:11,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190649376] [2019-12-27 01:01:11,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 01:01:11,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 01:01:11,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 01:01:11,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 01:01:11,310 INFO L87 Difference]: Start difference. First operand 2342 states and 7374 transitions. Second operand 3 states. [2019-12-27 01:01:11,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:01:11,395 INFO L93 Difference]: Finished difference Result 3120 states and 9682 transitions. [2019-12-27 01:01:11,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 01:01:11,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 01:01:11,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:01:11,419 INFO L225 Difference]: With dead ends: 3120 [2019-12-27 01:01:11,419 INFO L226 Difference]: Without dead ends: 3110 [2019-12-27 01:01:11,420 INFO L631 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 [2019-12-27 01:01:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2019-12-27 01:01:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2734. [2019-12-27 01:01:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2734 states. [2019-12-27 01:01:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 8535 transitions. [2019-12-27 01:01:11,541 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 8535 transitions. Word has length 8 [2019-12-27 01:01:11,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:01:11,542 INFO L462 AbstractCegarLoop]: Abstraction has 2734 states and 8535 transitions. [2019-12-27 01:01:11,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 01:01:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 8535 transitions. [2019-12-27 01:01:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 01:01:11,544 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:11,544 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-27 01:01:11,544 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:11,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:11,544 INFO L82 PathProgramCache]: Analyzing trace with hash 341843180, now seen corresponding path program 1 times [2019-12-27 01:01:11,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:11,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426426295] [2019-12-27 01:01:11,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:01:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:01:11,640 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 01:01:11,640 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 01:01:11,644 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 01:01:11,645 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 01:01:11,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,655 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,655 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,656 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,661 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,661 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,661 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,661 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,661 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,667 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,667 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,668 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,668 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,669 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,669 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,669 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,669 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,669 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,670 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,670 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,670 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,670 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,670 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,671 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,671 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,671 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,671 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,671 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,672 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,672 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,672 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,672 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,672 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,673 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,674 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,676 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,677 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,682 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,683 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,683 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,687 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,688 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,688 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,688 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,688 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,689 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,689 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,689 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,689 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,689 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,689 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,690 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:11,691 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 01:01:11,691 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 01:01:11,692 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 01:01:11,692 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 01:01:11,692 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 01:01:11,692 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 01:01:11,692 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 01:01:11,692 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 01:01:11,692 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 01:01:11,695 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 138 transitions [2019-12-27 01:01:11,696 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 120 places, 138 transitions [2019-12-27 01:01:11,746 INFO L132 PetriNetUnfolder]: 46/269 cut-off events. [2019-12-27 01:01:11,747 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 01:01:11,756 INFO L76 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 269 events. 46/269 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1087 event pairs. 0/212 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2019-12-27 01:01:11,781 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 120 places, 138 transitions [2019-12-27 01:01:11,852 INFO L132 PetriNetUnfolder]: 46/269 cut-off events. [2019-12-27 01:01:11,852 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 01:01:11,857 INFO L76 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 269 events. 46/269 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1087 event pairs. 0/212 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2019-12-27 01:01:11,876 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11826 [2019-12-27 01:01:11,876 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 01:01:13,659 INFO L206 etLargeBlockEncoding]: Checked pairs total: 26959 [2019-12-27 01:01:13,659 INFO L214 etLargeBlockEncoding]: Total number of compositions: 86 [2019-12-27 01:01:13,660 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 69 transitions [2019-12-27 01:01:17,980 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 37897 states. [2019-12-27 01:01:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 37897 states. [2019-12-27 01:01:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 01:01:17,981 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:17,982 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 01:01:17,982 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:17,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:17,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1361135490, now seen corresponding path program 1 times [2019-12-27 01:01:17,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:17,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324133173] [2019-12-27 01:01:17,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 01:01:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 01:01:18,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324133173] [2019-12-27 01:01:18,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 01:01:18,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 01:01:18,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596862447] [2019-12-27 01:01:18,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 01:01:18,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 01:01:18,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 01:01:18,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 01:01:18,005 INFO L87 Difference]: Start difference. First operand 37897 states. Second operand 2 states. [2019-12-27 01:01:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:01:18,626 INFO L93 Difference]: Finished difference Result 28118 states and 118950 transitions. [2019-12-27 01:01:18,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 01:01:18,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-27 01:01:18,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:01:18,886 INFO L225 Difference]: With dead ends: 28118 [2019-12-27 01:01:18,887 INFO L226 Difference]: Without dead ends: 28118 [2019-12-27 01:01:18,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 01:01:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28118 states. [2019-12-27 01:01:20,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28118 to 28118. [2019-12-27 01:01:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28118 states. [2019-12-27 01:01:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28118 states to 28118 states and 118950 transitions. [2019-12-27 01:01:22,155 INFO L78 Accepts]: Start accepts. Automaton has 28118 states and 118950 transitions. Word has length 6 [2019-12-27 01:01:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:01:22,156 INFO L462 AbstractCegarLoop]: Abstraction has 28118 states and 118950 transitions. [2019-12-27 01:01:22,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 01:01:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 28118 states and 118950 transitions. [2019-12-27 01:01:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 01:01:22,157 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:22,157 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 01:01:22,157 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:22,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:22,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1912541952, now seen corresponding path program 1 times [2019-12-27 01:01:22,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:22,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25207461] [2019-12-27 01:01:22,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 01:01:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 01:01:22,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25207461] [2019-12-27 01:01:22,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 01:01:22,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 01:01:22,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860022328] [2019-12-27 01:01:22,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 01:01:22,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 01:01:22,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 01:01:22,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 01:01:22,236 INFO L87 Difference]: Start difference. First operand 28118 states and 118950 transitions. Second operand 3 states. [2019-12-27 01:01:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:01:22,471 INFO L93 Difference]: Finished difference Result 41343 states and 171104 transitions. [2019-12-27 01:01:22,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 01:01:22,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 01:01:22,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:01:22,644 INFO L225 Difference]: With dead ends: 41343 [2019-12-27 01:01:22,644 INFO L226 Difference]: Without dead ends: 41333 [2019-12-27 01:01:22,645 INFO L631 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 [2019-12-27 01:01:23,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41333 states. [2019-12-27 01:01:24,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41333 to 35461. [2019-12-27 01:01:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35461 states. [2019-12-27 01:01:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35461 states to 35461 states and 147822 transitions. [2019-12-27 01:01:24,774 INFO L78 Accepts]: Start accepts. Automaton has 35461 states and 147822 transitions. Word has length 8 [2019-12-27 01:01:24,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:01:24,774 INFO L462 AbstractCegarLoop]: Abstraction has 35461 states and 147822 transitions. [2019-12-27 01:01:24,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 01:01:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 35461 states and 147822 transitions. [2019-12-27 01:01:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 01:01:24,777 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:01:24,777 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-27 01:01:24,777 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:01:24,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:01:24,777 INFO L82 PathProgramCache]: Analyzing trace with hash -832491886, now seen corresponding path program 1 times [2019-12-27 01:01:24,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:01:24,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392403864] [2019-12-27 01:01:24,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:01:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:01:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:01:24,814 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 01:01:24,815 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 01:01:24,815 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 01:01:24,815 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 01:01:24,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,834 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,834 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,835 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,836 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,836 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,836 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,836 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,836 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,836 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,840 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,840 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,843 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,843 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,843 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,843 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,843 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,844 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,844 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,844 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,844 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,844 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,844 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,845 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,845 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,847 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,847 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,847 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,847 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,847 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,847 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,848 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,848 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,848 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,848 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,848 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,849 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,850 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,851 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,851 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,851 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,851 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,851 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,852 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,852 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,852 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,852 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,852 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,852 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,855 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,856 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,856 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,856 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,856 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,856 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,857 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,857 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,857 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,857 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,857 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,857 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:01:24,862 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 01:01:24,862 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 01:01:24,862 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 01:01:24,862 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 01:01:24,863 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 01:01:24,863 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 01:01:24,863 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 01:01:24,863 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 01:01:24,863 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 01:01:24,865 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 166 transitions [2019-12-27 01:01:24,865 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 144 places, 166 transitions [2019-12-27 01:01:24,932 INFO L132 PetriNetUnfolder]: 59/341 cut-off events. [2019-12-27 01:01:24,932 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 01:01:24,945 INFO L76 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 59/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1426 event pairs. 0/268 useless extension candidates. Maximal degree in co-relation 277. Up to 15 conditions per place. [2019-12-27 01:01:24,975 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 144 places, 166 transitions [2019-12-27 01:01:25,032 INFO L132 PetriNetUnfolder]: 59/341 cut-off events. [2019-12-27 01:01:25,032 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 01:01:25,043 INFO L76 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 59/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1426 event pairs. 0/268 useless extension candidates. Maximal degree in co-relation 277. Up to 15 conditions per place. [2019-12-27 01:01:25,069 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 18792 [2019-12-27 01:01:25,069 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 01:01:27,437 INFO L206 etLargeBlockEncoding]: Checked pairs total: 45384 [2019-12-27 01:01:27,437 INFO L214 etLargeBlockEncoding]: Total number of compositions: 103 [2019-12-27 01:01:27,437 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 86 transitions Received shutdown request... [2019-12-27 01:05:21,627 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 01:05:21,630 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 01:05:21,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 01:05:21 BasicIcfg [2019-12-27 01:05:21,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 01:05:21,633 INFO L168 Benchmark]: Toolchain (without parser) took 255817.44 ms. Allocated memory was 143.7 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 100.7 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,634 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.08 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 161.9 MB in the end (delta: -61.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 202.4 MB. Free memory was 161.9 MB in the beginning and 159.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,636 INFO L168 Benchmark]: Boogie Preprocessor took 28.84 ms. Allocated memory is still 202.4 MB. Free memory was 159.8 MB in the beginning and 158.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,637 INFO L168 Benchmark]: RCFGBuilder took 521.65 ms. Allocated memory is still 202.4 MB. Free memory was 158.4 MB in the beginning and 134.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,638 INFO L168 Benchmark]: TraceAbstraction took 254514.33 ms. Allocated memory was 202.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 133.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 01:05:21,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.08 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 161.9 MB in the end (delta: -61.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 202.4 MB. Free memory was 161.9 MB in the beginning and 159.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.84 ms. Allocated memory is still 202.4 MB. Free memory was 159.8 MB in the beginning and 158.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 521.65 ms. Allocated memory is still 202.4 MB. Free memory was 158.4 MB in the beginning and 134.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254514.33 ms. Allocated memory was 202.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 133.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 72 ProgramPointsBefore, 30 ProgramPointsAfterwards, 82 TransitionsBefore, 36 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 1317 VarBasedMoverChecksPositive, 71 VarBasedMoverChecksNegative, 43 SemBasedMoverChecksPositive, 42 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 4882 CheckedPairsTotal, 56 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 96 ProgramPointsBefore, 44 ProgramPointsAfterwards, 110 TransitionsBefore, 54 TransitionsAfterwards, 6372 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 28 ConcurrentYvCompositions, 7 ChoiceCompositions, 3383 VarBasedMoverChecksPositive, 330 VarBasedMoverChecksNegative, 379 SemBasedMoverChecksPositive, 75 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 0 MoverChecksTotal, 14707 CheckedPairsTotal, 77 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 120 ProgramPointsBefore, 58 ProgramPointsAfterwards, 138 TransitionsBefore, 69 TransitionsAfterwards, 11826 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 11 ChoiceCompositions, 5824 VarBasedMoverChecksPositive, 343 VarBasedMoverChecksNegative, 360 SemBasedMoverChecksPositive, 102 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 0 MoverChecksTotal, 26959 CheckedPairsTotal, 86 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 144 ProgramPointsBefore, 72 ProgramPointsAfterwards, 166 TransitionsBefore, 86 TransitionsAfterwards, 18792 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 36 ConcurrentYvCompositions, 13 ChoiceCompositions, 8739 VarBasedMoverChecksPositive, 546 VarBasedMoverChecksNegative, 515 SemBasedMoverChecksPositive, 129 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 0 MoverChecksTotal, 45384 CheckedPairsTotal, 103 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 689). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 72 places, 86 transitions. Already constructed 390102 states. Currently 29152 states in worklist.. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 689). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 72 places, 86 transitions. Already constructed 390102 states. Currently 29152 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 2 error locations. Result: TIMEOUT, OverallTime: 236.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown