/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 19:40:51,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 19:40:51,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 19:40:51,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 19:40:51,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 19:40:51,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 19:40:51,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 19:40:51,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 19:40:51,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 19:40:51,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 19:40:51,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 19:40:51,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 19:40:51,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 19:40:51,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 19:40:51,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 19:40:51,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 19:40:51,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 19:40:51,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 19:40:51,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 19:40:51,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 19:40:51,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 19:40:51,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 19:40:51,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 19:40:51,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 19:40:51,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 19:40:51,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 19:40:51,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 19:40:51,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 19:40:51,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 19:40:51,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 19:40:51,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 19:40:51,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 19:40:51,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 19:40:51,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 19:40:51,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 19:40:51,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 19:40:51,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 19:40:51,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 19:40:51,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 19:40:51,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 19:40:51,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 19:40:51,584 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-VariableLbe.epf [2019-12-18 19:40:51,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 19:40:51,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 19:40:51,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 19:40:51,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 19:40:51,599 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 19:40:51,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 19:40:51,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 19:40:51,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 19:40:51,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 19:40:51,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 19:40:51,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 19:40:51,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 19:40:51,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 19:40:51,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 19:40:51,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 19:40:51,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 19:40:51,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 19:40:51,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 19:40:51,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 19:40:51,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 19:40:51,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 19:40:51,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:40:51,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 19:40:51,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 19:40:51,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 19:40:51,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 19:40:51,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 19:40:51,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 19:40:51,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 19:40:51,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 19:40:51,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 19:40:51,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 19:40:51,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 19:40:51,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 19:40:51,901 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 19:40:51,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2019-12-18 19:40:51,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeb814127/6e017326d25d42deb6e44c2ada07f6ed/FLAG8857331ce [2019-12-18 19:40:52,483 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 19:40:52,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i [2019-12-18 19:40:52,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeb814127/6e017326d25d42deb6e44c2ada07f6ed/FLAG8857331ce [2019-12-18 19:40:52,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeb814127/6e017326d25d42deb6e44c2ada07f6ed [2019-12-18 19:40:52,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 19:40:52,812 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 19:40:52,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 19:40:52,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 19:40:52,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 19:40:52,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:40:52" (1/1) ... [2019-12-18 19:40:52,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6588b150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:52, skipping insertion in model container [2019-12-18 19:40:52,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:40:52" (1/1) ... [2019-12-18 19:40:52,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 19:40:52,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 19:40:53,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:40:53,321 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 19:40:53,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:40:53,447 INFO L208 MainTranslator]: Completed translation [2019-12-18 19:40:53,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53 WrapperNode [2019-12-18 19:40:53,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 19:40:53,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 19:40:53,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 19:40:53,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 19:40:53,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 19:40:53,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 19:40:53,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 19:40:53,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 19:40:53,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (1/1) ... [2019-12-18 19:40:53,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 19:40:53,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 19:40:53,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 19:40:53,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 19:40:53,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (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 [2019-12-18 19:40:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 19:40:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 19:40:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 19:40:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 19:40:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 19:40:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 19:40:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 19:40:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 19:40:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 19:40:53,597 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 19:40:53,934 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 19:40:53,934 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-18 19:40:53,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:40:53 BoogieIcfgContainer [2019-12-18 19:40:53,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 19:40:53,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 19:40:53,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 19:40:53,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 19:40:53,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:40:52" (1/3) ... [2019-12-18 19:40:53,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6397d6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:40:53, skipping insertion in model container [2019-12-18 19:40:53,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:40:53" (2/3) ... [2019-12-18 19:40:53,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6397d6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:40:53, skipping insertion in model container [2019-12-18 19:40:53,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:40:53" (3/3) ... [2019-12-18 19:40:53,943 INFO L109 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2019-12-18 19:40:53,953 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 19:40:53,954 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 19:40:53,961 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 19:40:53,962 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 19:40:53,990 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,991 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,991 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,991 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,991 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,992 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,992 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,992 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,992 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,992 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,993 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,993 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,995 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,995 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,996 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,996 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:53,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:54,038 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 19:40:54,054 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:40:54,054 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:40:54,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:40:54,055 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:40:54,055 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:40:54,055 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:40:54,055 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:40:54,055 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:40:54,066 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 55 transitions [2019-12-18 19:40:54,068 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 51 places, 55 transitions [2019-12-18 19:40:54,111 INFO L126 PetriNetUnfolder]: 8/63 cut-off events. [2019-12-18 19:40:54,112 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:54,124 INFO L76 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 8/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 5/57 useless extension candidates. Maximal degree in co-relation 44. Up to 4 conditions per place. [2019-12-18 19:40:54,128 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 51 places, 55 transitions [2019-12-18 19:40:54,152 INFO L126 PetriNetUnfolder]: 8/63 cut-off events. [2019-12-18 19:40:54,153 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:54,154 INFO L76 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 8/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 5/57 useless extension candidates. Maximal degree in co-relation 44. Up to 4 conditions per place. [2019-12-18 19:40:54,156 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 700 [2019-12-18 19:40:54,157 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:40:55,010 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-12-18 19:40:55,291 INFO L206 etLargeBlockEncoding]: Checked pairs total: 477 [2019-12-18 19:40:55,291 INFO L214 etLargeBlockEncoding]: Total number of compositions: 54 [2019-12-18 19:40:55,296 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 12 transitions [2019-12-18 19:40:55,308 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29 states. [2019-12-18 19:40:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-18 19:40:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 19:40:55,318 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:55,318 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 19:40:55,319 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:40:55,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:55,326 INFO L82 PathProgramCache]: Analyzing trace with hash 252452723, now seen corresponding path program 1 times [2019-12-18 19:40:55,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:55,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752380496] [2019-12-18 19:40:55,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:55,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752380496] [2019-12-18 19:40:55,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:55,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:40:55,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803873931] [2019-12-18 19:40:55,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 19:40:55,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:55,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 19:40:55,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 19:40:55,505 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-12-18 19:40:55,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:55,519 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2019-12-18 19:40:55,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 19:40:55,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-12-18 19:40:55,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:55,532 INFO L225 Difference]: With dead ends: 23 [2019-12-18 19:40:55,532 INFO L226 Difference]: Without dead ends: 23 [2019-12-18 19:40:55,533 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 [2019-12-18 19:40:55,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-18 19:40:55,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-12-18 19:40:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-18 19:40:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2019-12-18 19:40:55,573 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2019-12-18 19:40:55,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:55,574 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2019-12-18 19:40:55,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 19:40:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2019-12-18 19:40:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 19:40:55,575 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:55,575 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-18 19:40:55,575 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:40:55,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:55,576 INFO L82 PathProgramCache]: Analyzing trace with hash -764038444, now seen corresponding path program 1 times [2019-12-18 19:40:55,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:55,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749008736] [2019-12-18 19:40:55,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:40:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:40:55,654 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 19:40:55,654 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 19:40:55,656 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 19:40:55,656 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-18 19:40:55,676 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,676 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,680 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,680 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,681 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,681 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,681 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,682 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,682 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,682 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,682 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,683 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,683 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,683 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,684 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,685 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,685 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,685 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,685 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,685 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,688 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,688 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,688 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,689 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,689 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,689 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,689 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,690 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,690 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,691 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,691 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,691 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,691 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,691 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,692 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,692 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,692 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,693 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,693 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,693 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,694 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,694 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,694 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,695 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,695 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,696 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,696 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,696 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,696 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,696 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,697 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,697 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,697 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,697 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,698 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,698 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,698 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,698 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,699 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,700 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,704 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,704 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,705 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,705 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,705 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,705 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,705 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,706 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,706 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,706 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,707 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:55,710 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 19:40:55,710 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:40:55,711 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:40:55,711 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:40:55,711 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:40:55,711 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:40:55,711 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:40:55,711 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:40:55,711 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:40:55,715 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 91 transitions [2019-12-18 19:40:55,715 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 91 transitions [2019-12-18 19:40:55,749 INFO L126 PetriNetUnfolder]: 15/108 cut-off events. [2019-12-18 19:40:55,750 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:55,755 INFO L76 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 15/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 180 event pairs. 14/102 useless extension candidates. Maximal degree in co-relation 79. Up to 6 conditions per place. [2019-12-18 19:40:55,767 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 91 transitions [2019-12-18 19:40:55,806 INFO L126 PetriNetUnfolder]: 15/108 cut-off events. [2019-12-18 19:40:55,806 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:55,813 INFO L76 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 15/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 180 event pairs. 14/102 useless extension candidates. Maximal degree in co-relation 79. Up to 6 conditions per place. [2019-12-18 19:40:55,827 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3920 [2019-12-18 19:40:55,827 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:40:56,740 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-12-18 19:40:56,949 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-18 19:40:57,604 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5981 [2019-12-18 19:40:57,604 INFO L214 etLargeBlockEncoding]: Total number of compositions: 76 [2019-12-18 19:40:57,605 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 39 transitions [2019-12-18 19:40:57,657 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 901 states. [2019-12-18 19:40:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states. [2019-12-18 19:40:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 19:40:57,659 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:57,659 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 19:40:57,659 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:57,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:57,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1210165614, now seen corresponding path program 1 times [2019-12-18 19:40:57,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:57,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031529204] [2019-12-18 19:40:57,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:57,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031529204] [2019-12-18 19:40:57,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:57,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:40:57,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348907105] [2019-12-18 19:40:57,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 19:40:57,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:57,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 19:40:57,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 19:40:57,700 INFO L87 Difference]: Start difference. First operand 901 states. Second operand 2 states. [2019-12-18 19:40:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:57,734 INFO L93 Difference]: Finished difference Result 718 states and 1940 transitions. [2019-12-18 19:40:57,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 19:40:57,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-18 19:40:57,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:57,750 INFO L225 Difference]: With dead ends: 718 [2019-12-18 19:40:57,750 INFO L226 Difference]: Without dead ends: 718 [2019-12-18 19:40:57,751 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 [2019-12-18 19:40:57,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2019-12-18 19:40:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2019-12-18 19:40:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2019-12-18 19:40:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1940 transitions. [2019-12-18 19:40:57,839 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1940 transitions. Word has length 6 [2019-12-18 19:40:57,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:57,839 INFO L462 AbstractCegarLoop]: Abstraction has 718 states and 1940 transitions. [2019-12-18 19:40:57,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 19:40:57,839 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1940 transitions. [2019-12-18 19:40:57,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:40:57,840 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:57,840 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:40:57,841 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:57,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:57,841 INFO L82 PathProgramCache]: Analyzing trace with hash -964337712, now seen corresponding path program 1 times [2019-12-18 19:40:57,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:57,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055647806] [2019-12-18 19:40:57,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:40:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:40:57,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055647806] [2019-12-18 19:40:57,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:40:57,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:40:57,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767297997] [2019-12-18 19:40:57,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:40:57,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:40:57,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:40:57,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:40:57,964 INFO L87 Difference]: Start difference. First operand 718 states and 1940 transitions. Second operand 5 states. [2019-12-18 19:40:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:40:58,130 INFO L93 Difference]: Finished difference Result 856 states and 2296 transitions. [2019-12-18 19:40:58,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 19:40:58,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-12-18 19:40:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:40:58,138 INFO L225 Difference]: With dead ends: 856 [2019-12-18 19:40:58,138 INFO L226 Difference]: Without dead ends: 856 [2019-12-18 19:40:58,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:40:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2019-12-18 19:40:58,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 744. [2019-12-18 19:40:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2019-12-18 19:40:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1992 transitions. [2019-12-18 19:40:58,175 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1992 transitions. Word has length 8 [2019-12-18 19:40:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:40:58,176 INFO L462 AbstractCegarLoop]: Abstraction has 744 states and 1992 transitions. [2019-12-18 19:40:58,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:40:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1992 transitions. [2019-12-18 19:40:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 19:40:58,177 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:40:58,177 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-18 19:40:58,177 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:40:58,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:40:58,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1297931813, now seen corresponding path program 1 times [2019-12-18 19:40:58,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:40:58,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059710677] [2019-12-18 19:40:58,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:40:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:40:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:40:58,203 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 19:40:58,203 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 19:40:58,204 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 19:40:58,204 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-18 19:40:58,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,215 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,215 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,215 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,230 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,230 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,236 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,238 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:40:58,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 19:40:58,239 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:40:58,239 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:40:58,239 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:40:58,239 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:40:58,239 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:40:58,239 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:40:58,240 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:40:58,240 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:40:58,241 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 127 transitions [2019-12-18 19:40:58,242 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 115 places, 127 transitions [2019-12-18 19:40:58,261 INFO L126 PetriNetUnfolder]: 22/153 cut-off events. [2019-12-18 19:40:58,261 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:58,266 INFO L76 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 153 events. 22/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 369 event pairs. 27/151 useless extension candidates. Maximal degree in co-relation 114. Up to 8 conditions per place. [2019-12-18 19:40:58,278 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 115 places, 127 transitions [2019-12-18 19:40:58,296 INFO L126 PetriNetUnfolder]: 22/153 cut-off events. [2019-12-18 19:40:58,296 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:40:58,301 INFO L76 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 153 events. 22/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 369 event pairs. 27/151 useless extension candidates. Maximal degree in co-relation 114. Up to 8 conditions per place. [2019-12-18 19:40:58,313 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9660 [2019-12-18 19:40:58,313 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:40:59,879 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-18 19:41:00,172 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-18 19:41:00,648 INFO L206 etLargeBlockEncoding]: Checked pairs total: 16668 [2019-12-18 19:41:00,648 INFO L214 etLargeBlockEncoding]: Total number of compositions: 101 [2019-12-18 19:41:00,649 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 52 transitions [2019-12-18 19:41:01,222 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 10036 states. [2019-12-18 19:41:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 10036 states. [2019-12-18 19:41:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 19:41:01,223 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:41:01,223 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 19:41:01,223 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:41:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:41:01,224 INFO L82 PathProgramCache]: Analyzing trace with hash 592191770, now seen corresponding path program 1 times [2019-12-18 19:41:01,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:41:01,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25836251] [2019-12-18 19:41:01,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:41:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:41:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:41:01,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25836251] [2019-12-18 19:41:01,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:41:01,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:41:01,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078466905] [2019-12-18 19:41:01,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 19:41:01,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:41:01,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 19:41:01,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 19:41:01,248 INFO L87 Difference]: Start difference. First operand 10036 states. Second operand 2 states. [2019-12-18 19:41:01,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:41:01,363 INFO L93 Difference]: Finished difference Result 7995 states and 29559 transitions. [2019-12-18 19:41:01,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 19:41:01,364 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-18 19:41:01,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:41:01,521 INFO L225 Difference]: With dead ends: 7995 [2019-12-18 19:41:01,521 INFO L226 Difference]: Without dead ends: 7995 [2019-12-18 19:41:01,522 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 [2019-12-18 19:41:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7995 states. [2019-12-18 19:41:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7995 to 7995. [2019-12-18 19:41:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7995 states. [2019-12-18 19:41:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7995 states to 7995 states and 29559 transitions. [2019-12-18 19:41:01,890 INFO L78 Accepts]: Start accepts. Automaton has 7995 states and 29559 transitions. Word has length 6 [2019-12-18 19:41:01,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:41:01,890 INFO L462 AbstractCegarLoop]: Abstraction has 7995 states and 29559 transitions. [2019-12-18 19:41:01,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 19:41:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7995 states and 29559 transitions. [2019-12-18 19:41:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:41:01,891 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:41:01,891 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:41:01,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:41:01,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:41:01,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2135769744, now seen corresponding path program 1 times [2019-12-18 19:41:01,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:41:01,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715039214] [2019-12-18 19:41:01,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:41:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:41:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:41:01,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715039214] [2019-12-18 19:41:01,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:41:01,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:41:01,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787917241] [2019-12-18 19:41:01,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:41:01,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:41:01,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:41:01,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:41:01,987 INFO L87 Difference]: Start difference. First operand 7995 states and 29559 transitions. Second operand 5 states. [2019-12-18 19:41:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:41:02,933 INFO L93 Difference]: Finished difference Result 11153 states and 40000 transitions. [2019-12-18 19:41:02,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 19:41:02,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-12-18 19:41:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:41:03,023 INFO L225 Difference]: With dead ends: 11153 [2019-12-18 19:41:03,023 INFO L226 Difference]: Without dead ends: 11153 [2019-12-18 19:41:03,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:41:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11153 states. [2019-12-18 19:41:03,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11153 to 9331. [2019-12-18 19:41:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9331 states. [2019-12-18 19:41:03,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9331 states to 9331 states and 34222 transitions. [2019-12-18 19:41:03,467 INFO L78 Accepts]: Start accepts. Automaton has 9331 states and 34222 transitions. Word has length 8 [2019-12-18 19:41:03,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:41:03,468 INFO L462 AbstractCegarLoop]: Abstraction has 9331 states and 34222 transitions. [2019-12-18 19:41:03,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:41:03,468 INFO L276 IsEmpty]: Start isEmpty. Operand 9331 states and 34222 transitions. [2019-12-18 19:41:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 19:41:03,469 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:41:03,470 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:41:03,470 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:41:03,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:41:03,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1044159113, now seen corresponding path program 1 times [2019-12-18 19:41:03,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:41:03,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375931417] [2019-12-18 19:41:03,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:41:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:41:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-18 19:41:03,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375931417] [2019-12-18 19:41:03,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:41:03,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:41:03,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382871236] [2019-12-18 19:41:03,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:41:03,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:41:03,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:41:03,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:41:03,556 INFO L87 Difference]: Start difference. First operand 9331 states and 34222 transitions. Second operand 5 states. [2019-12-18 19:41:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:41:03,933 INFO L93 Difference]: Finished difference Result 12133 states and 43373 transitions. [2019-12-18 19:41:03,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 19:41:03,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-18 19:41:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:41:03,995 INFO L225 Difference]: With dead ends: 12133 [2019-12-18 19:41:03,996 INFO L226 Difference]: Without dead ends: 12133 [2019-12-18 19:41:03,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:41:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12133 states. [2019-12-18 19:41:04,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12133 to 9816. [2019-12-18 19:41:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9816 states. [2019-12-18 19:41:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9816 states to 9816 states and 35826 transitions. [2019-12-18 19:41:04,400 INFO L78 Accepts]: Start accepts. Automaton has 9816 states and 35826 transitions. Word has length 11 [2019-12-18 19:41:04,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:41:04,402 INFO L462 AbstractCegarLoop]: Abstraction has 9816 states and 35826 transitions. [2019-12-18 19:41:04,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:41:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 9816 states and 35826 transitions. [2019-12-18 19:41:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 19:41:04,407 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:41:04,407 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-18 19:41:04,407 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:41:04,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:41:04,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1228452041, now seen corresponding path program 1 times [2019-12-18 19:41:04,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:41:04,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59124458] [2019-12-18 19:41:04,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:41:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:41:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:41:04,454 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 19:41:04,454 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 19:41:04,455 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 19:41:04,455 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-18 19:41:04,466 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,466 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,466 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,466 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,466 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,470 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,471 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,471 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,474 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,474 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,474 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,475 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,475 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,475 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,476 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,476 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,477 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,484 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,487 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,492 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,494 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,495 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,495 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,496 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,499 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,500 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,500 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,501 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,503 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,504 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,504 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,506 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,506 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,506 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,506 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,507 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,508 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,509 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,509 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:41:04,510 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 19:41:04,511 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:41:04,511 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:41:04,511 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:41:04,511 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:41:04,511 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:41:04,511 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:41:04,511 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:41:04,511 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:41:04,513 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 163 transitions [2019-12-18 19:41:04,513 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 147 places, 163 transitions [2019-12-18 19:41:04,543 INFO L126 PetriNetUnfolder]: 29/198 cut-off events. [2019-12-18 19:41:04,543 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:41:04,551 INFO L76 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 198 events. 29/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 597 event pairs. 44/204 useless extension candidates. Maximal degree in co-relation 161. Up to 10 conditions per place. [2019-12-18 19:41:04,574 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 147 places, 163 transitions [2019-12-18 19:41:04,604 INFO L126 PetriNetUnfolder]: 29/198 cut-off events. [2019-12-18 19:41:04,605 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:41:04,613 INFO L76 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 198 events. 29/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 597 event pairs. 44/204 useless extension candidates. Maximal degree in co-relation 161. Up to 10 conditions per place. [2019-12-18 19:41:04,636 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 17920 [2019-12-18 19:41:04,636 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:41:05,587 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-18 19:41:06,195 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-12-18 19:41:06,955 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-18 19:41:07,193 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-12-18 19:41:07,475 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-12-18 19:41:08,228 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-12-18 19:41:08,521 INFO L206 etLargeBlockEncoding]: Checked pairs total: 31465 [2019-12-18 19:41:08,521 INFO L214 etLargeBlockEncoding]: Total number of compositions: 137 [2019-12-18 19:41:08,521 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 71 transitions [2019-12-18 19:41:36,755 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 130472 states. [2019-12-18 19:41:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 130472 states. [2019-12-18 19:41:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 19:41:36,756 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:41:36,756 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 19:41:36,756 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:41:36,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:41:36,756 INFO L82 PathProgramCache]: Analyzing trace with hash -2071826846, now seen corresponding path program 1 times [2019-12-18 19:41:36,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:41:36,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438267057] [2019-12-18 19:41:36,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:41:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:41:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:41:36,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438267057] [2019-12-18 19:41:36,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:41:36,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:41:36,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812707205] [2019-12-18 19:41:36,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 19:41:36,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:41:36,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 19:41:36,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 19:41:36,772 INFO L87 Difference]: Start difference. First operand 130472 states. Second operand 2 states. [2019-12-18 19:41:40,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:41:40,217 INFO L93 Difference]: Finished difference Result 103938 states and 488205 transitions. [2019-12-18 19:41:40,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 19:41:40,217 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-18 19:41:40,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:41:40,864 INFO L225 Difference]: With dead ends: 103938 [2019-12-18 19:41:40,865 INFO L226 Difference]: Without dead ends: 103938 [2019-12-18 19:41:40,865 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 [2019-12-18 19:41:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103938 states. [2019-12-18 19:41:45,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103938 to 103938. [2019-12-18 19:41:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103938 states. [2019-12-18 19:41:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103938 states to 103938 states and 488205 transitions. [2019-12-18 19:41:50,494 INFO L78 Accepts]: Start accepts. Automaton has 103938 states and 488205 transitions. Word has length 6 [2019-12-18 19:41:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:41:50,494 INFO L462 AbstractCegarLoop]: Abstraction has 103938 states and 488205 transitions. [2019-12-18 19:41:50,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 19:41:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 103938 states and 488205 transitions. [2019-12-18 19:41:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:41:50,495 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:41:50,495 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:41:50,495 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:41:50,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:41:50,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1841458244, now seen corresponding path program 1 times [2019-12-18 19:41:50,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:41:50,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268825965] [2019-12-18 19:41:50,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:41:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:41:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:41:50,556 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268825965] [2019-12-18 19:41:50,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:41:50,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:41:50,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060578692] [2019-12-18 19:41:50,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:41:50,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:41:50,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:41:50,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:41:50,558 INFO L87 Difference]: Start difference. First operand 103938 states and 488205 transitions. Second operand 5 states. [2019-12-18 19:41:51,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:41:51,614 INFO L93 Difference]: Finished difference Result 160312 states and 726627 transitions. [2019-12-18 19:41:51,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 19:41:51,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-12-18 19:41:51,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:41:52,112 INFO L225 Difference]: With dead ends: 160312 [2019-12-18 19:41:52,112 INFO L226 Difference]: Without dead ends: 160312 [2019-12-18 19:41:52,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:41:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160312 states. [2019-12-18 19:42:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160312 to 126918. [2019-12-18 19:42:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126918 states. [2019-12-18 19:42:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126918 states to 126918 states and 590277 transitions. [2019-12-18 19:42:02,030 INFO L78 Accepts]: Start accepts. Automaton has 126918 states and 590277 transitions. Word has length 8 [2019-12-18 19:42:02,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:42:02,031 INFO L462 AbstractCegarLoop]: Abstraction has 126918 states and 590277 transitions. [2019-12-18 19:42:02,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:42:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 126918 states and 590277 transitions. [2019-12-18 19:42:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 19:42:02,031 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:42:02,032 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:42:02,032 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:42:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:42:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1976532544, now seen corresponding path program 1 times [2019-12-18 19:42:02,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:42:02,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660720635] [2019-12-18 19:42:02,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:42:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:42:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-18 19:42:02,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660720635] [2019-12-18 19:42:02,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:42:02,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:42:02,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616476666] [2019-12-18 19:42:02,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:42:02,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:42:02,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:42:02,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:42:02,078 INFO L87 Difference]: Start difference. First operand 126918 states and 590277 transitions. Second operand 5 states. [2019-12-18 19:42:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:42:07,867 INFO L93 Difference]: Finished difference Result 194310 states and 885884 transitions. [2019-12-18 19:42:07,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 19:42:07,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-18 19:42:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:42:09,297 INFO L225 Difference]: With dead ends: 194310 [2019-12-18 19:42:09,297 INFO L226 Difference]: Without dead ends: 194310 [2019-12-18 19:42:09,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:42:11,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194310 states. [2019-12-18 19:42:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194310 to 139686. [2019-12-18 19:42:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139686 states. [2019-12-18 19:42:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139686 states to 139686 states and 646845 transitions. [2019-12-18 19:42:24,553 INFO L78 Accepts]: Start accepts. Automaton has 139686 states and 646845 transitions. Word has length 11 [2019-12-18 19:42:24,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:42:24,553 INFO L462 AbstractCegarLoop]: Abstraction has 139686 states and 646845 transitions. [2019-12-18 19:42:24,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:42:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 139686 states and 646845 transitions. [2019-12-18 19:42:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 19:42:24,555 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:42:24,555 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:42:24,555 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:42:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:42:24,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1859991642, now seen corresponding path program 1 times [2019-12-18 19:42:24,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:42:24,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533673374] [2019-12-18 19:42:24,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:42:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:42:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-18 19:42:24,602 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533673374] [2019-12-18 19:42:24,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:42:24,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:42:24,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763196168] [2019-12-18 19:42:24,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:42:24,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:42:24,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:42:24,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:42:24,604 INFO L87 Difference]: Start difference. First operand 139686 states and 646845 transitions. Second operand 5 states. [2019-12-18 19:42:27,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:42:27,576 INFO L93 Difference]: Finished difference Result 199223 states and 898376 transitions. [2019-12-18 19:42:27,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 19:42:27,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-18 19:42:27,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:42:28,214 INFO L225 Difference]: With dead ends: 199223 [2019-12-18 19:42:28,214 INFO L226 Difference]: Without dead ends: 199223 [2019-12-18 19:42:28,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:42:31,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199223 states. [2019-12-18 19:42:41,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199223 to 150171. [2019-12-18 19:42:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150171 states. [2019-12-18 19:42:41,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150171 states to 150171 states and 693151 transitions. [2019-12-18 19:42:41,736 INFO L78 Accepts]: Start accepts. Automaton has 150171 states and 693151 transitions. Word has length 14 [2019-12-18 19:42:41,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:42:41,736 INFO L462 AbstractCegarLoop]: Abstraction has 150171 states and 693151 transitions. [2019-12-18 19:42:41,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:42:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 150171 states and 693151 transitions. [2019-12-18 19:42:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 19:42:41,739 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:42:41,739 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:42:41,739 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:42:41,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:42:41,739 INFO L82 PathProgramCache]: Analyzing trace with hash 740560328, now seen corresponding path program 1 times [2019-12-18 19:42:41,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:42:41,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315371899] [2019-12-18 19:42:41,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:42:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:42:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:42:41,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315371899] [2019-12-18 19:42:41,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171886304] [2019-12-18 19:42:41,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 19:42:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:42:43,085 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-18 19:42:43,087 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 19:42:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:42:43,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-18 19:42:43,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-12-18 19:42:43,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066219475] [2019-12-18 19:42:43,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:42:43,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:42:43,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:42:43,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-18 19:42:43,196 INFO L87 Difference]: Start difference. First operand 150171 states and 693151 transitions. Second operand 4 states. [2019-12-18 19:42:45,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:42:45,926 INFO L93 Difference]: Finished difference Result 200139 states and 892059 transitions. [2019-12-18 19:42:45,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 19:42:45,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-18 19:42:45,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:42:53,289 INFO L225 Difference]: With dead ends: 200139 [2019-12-18 19:42:53,289 INFO L226 Difference]: Without dead ends: 200139 [2019-12-18 19:42:53,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-18 19:42:55,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200139 states. [2019-12-18 19:42:58,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200139 to 162424. [2019-12-18 19:42:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162424 states. [2019-12-18 19:42:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162424 states to 162424 states and 750707 transitions. [2019-12-18 19:42:59,505 INFO L78 Accepts]: Start accepts. Automaton has 162424 states and 750707 transitions. Word has length 15 [2019-12-18 19:42:59,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:42:59,506 INFO L462 AbstractCegarLoop]: Abstraction has 162424 states and 750707 transitions. [2019-12-18 19:42:59,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:42:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 162424 states and 750707 transitions. [2019-12-18 19:42:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 19:42:59,509 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:42:59,509 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:42:59,712 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 19:43:00,828 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:43:00,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:43:00,829 INFO L82 PathProgramCache]: Analyzing trace with hash 429421256, now seen corresponding path program 2 times [2019-12-18 19:43:00,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:43:00,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31031754] [2019-12-18 19:43:00,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:43:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:43:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-18 19:43:01,013 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31031754] [2019-12-18 19:43:01,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:43:01,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 19:43:01,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225064304] [2019-12-18 19:43:01,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 19:43:01,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:43:01,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 19:43:01,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:43:01,015 INFO L87 Difference]: Start difference. First operand 162424 states and 750707 transitions. Second operand 5 states. [2019-12-18 19:43:02,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:43:02,368 INFO L93 Difference]: Finished difference Result 169567 states and 785304 transitions. [2019-12-18 19:43:02,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 19:43:02,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-18 19:43:02,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:43:10,048 INFO L225 Difference]: With dead ends: 169567 [2019-12-18 19:43:10,048 INFO L226 Difference]: Without dead ends: 169567 [2019-12-18 19:43:10,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:43:11,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169567 states. [2019-12-18 19:43:15,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169567 to 169567. [2019-12-18 19:43:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169567 states. [2019-12-18 19:43:15,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169567 states to 169567 states and 785304 transitions. [2019-12-18 19:43:15,960 INFO L78 Accepts]: Start accepts. Automaton has 169567 states and 785304 transitions. Word has length 15 [2019-12-18 19:43:15,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:43:15,960 INFO L462 AbstractCegarLoop]: Abstraction has 169567 states and 785304 transitions. [2019-12-18 19:43:15,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 19:43:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 169567 states and 785304 transitions. [2019-12-18 19:43:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 19:43:15,963 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:43:15,963 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-18 19:43:15,963 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:43:15,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:43:15,963 INFO L82 PathProgramCache]: Analyzing trace with hash 756813824, now seen corresponding path program 1 times [2019-12-18 19:43:15,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:43:15,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454473226] [2019-12-18 19:43:15,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:43:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:43:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:43:15,981 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 19:43:15,981 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 19:43:15,981 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 19:43:15,982 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-18 19:43:15,992 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,993 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,993 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,993 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,993 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,993 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,993 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,995 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,996 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:15,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,002 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,004 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,011 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,013 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,017 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,017 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,017 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,018 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,020 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,020 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,020 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,023 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,023 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,024 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,026 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,026 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,026 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,026 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,027 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,029 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,029 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,029 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_release_lock_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,029 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_acquire_lock_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,030 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:43:16,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 19:43:16,032 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:43:16,032 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:43:16,032 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:43:16,033 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:43:16,033 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:43:16,033 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:43:16,033 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:43:16,033 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:43:16,035 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 199 transitions [2019-12-18 19:43:16,035 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 179 places, 199 transitions [2019-12-18 19:43:16,082 INFO L126 PetriNetUnfolder]: 36/243 cut-off events. [2019-12-18 19:43:16,082 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:43:16,094 INFO L76 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 243 events. 36/243 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 795 event pairs. 65/261 useless extension candidates. Maximal degree in co-relation 213. Up to 12 conditions per place. [2019-12-18 19:43:16,116 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 179 places, 199 transitions [2019-12-18 19:43:16,150 INFO L126 PetriNetUnfolder]: 36/243 cut-off events. [2019-12-18 19:43:16,151 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:43:16,162 INFO L76 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 243 events. 36/243 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 795 event pairs. 65/261 useless extension candidates. Maximal degree in co-relation 213. Up to 12 conditions per place. [2019-12-18 19:43:16,188 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 28700 [2019-12-18 19:43:16,189 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:43:19,492 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-18 19:43:20,748 INFO L206 etLargeBlockEncoding]: Checked pairs total: 50089 [2019-12-18 19:43:20,748 INFO L214 etLargeBlockEncoding]: Total number of compositions: 165 [2019-12-18 19:43:20,749 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 83 transitions Received shutdown request... [2019-12-18 19:44:25,743 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-18 19:44:25,745 WARN L227 ceAbstractionStarter]: Timeout [2019-12-18 19:44:25,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 07:44:25 BasicIcfg [2019-12-18 19:44:25,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 19:44:25,748 INFO L168 Benchmark]: Toolchain (without parser) took 212935.97 ms. Allocated memory was 136.3 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 98.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,748 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.57 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.1 MB in the beginning and 158.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.41 ms. Allocated memory is still 200.8 MB. Free memory was 158.6 MB in the beginning and 155.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,756 INFO L168 Benchmark]: Boogie Preprocessor took 25.69 ms. Allocated memory is still 200.8 MB. Free memory was 155.8 MB in the beginning and 154.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,757 INFO L168 Benchmark]: RCFGBuilder took 397.51 ms. Allocated memory is still 200.8 MB. Free memory was 154.5 MB in the beginning and 135.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,758 INFO L168 Benchmark]: TraceAbstraction took 211808.86 ms. Allocated memory was 200.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 135.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-18 19:44:25,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.57 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.1 MB in the beginning and 158.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.41 ms. Allocated memory is still 200.8 MB. Free memory was 158.6 MB in the beginning and 155.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.69 ms. Allocated memory is still 200.8 MB. Free memory was 155.8 MB in the beginning and 154.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 397.51 ms. Allocated memory is still 200.8 MB. Free memory was 154.5 MB in the beginning and 135.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211808.86 ms. Allocated memory was 200.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 135.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 51 ProgramPointsBefore, 11 ProgramPointsAfterwards, 55 TransitionsBefore, 12 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 358 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 477 CheckedPairsTotal, 54 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 83 ProgramPointsBefore, 33 ProgramPointsAfterwards, 91 TransitionsBefore, 39 TransitionsAfterwards, 3920 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 5 ChoiceCompositions, 2037 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 5981 CheckedPairsTotal, 76 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 115 ProgramPointsBefore, 45 ProgramPointsAfterwards, 127 TransitionsBefore, 52 TransitionsAfterwards, 9660 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 9 ChoiceCompositions, 4908 VarBasedMoverChecksPositive, 69 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 16668 CheckedPairsTotal, 101 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 147 ProgramPointsBefore, 59 ProgramPointsAfterwards, 163 TransitionsBefore, 71 TransitionsAfterwards, 17920 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 9 ChoiceCompositions, 9251 VarBasedMoverChecksPositive, 101 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 31465 CheckedPairsTotal, 137 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.7s, 179 ProgramPointsBefore, 71 ProgramPointsAfterwards, 199 TransitionsBefore, 83 TransitionsAfterwards, 28700 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 118 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 39 ConcurrentYvCompositions, 14 ChoiceCompositions, 14728 VarBasedMoverChecksPositive, 116 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 50089 CheckedPairsTotal, 165 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 713]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 713). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 71 places, 83 transitions. Already constructed 227064 states. Currently 69706 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Result: TIMEOUT, OverallTime: 69.7s, 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