/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 13:27:39,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 13:27:39,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 13:27:39,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 13:27:39,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 13:27:39,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 13:27:39,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 13:27:39,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 13:27:39,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 13:27:39,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 13:27:39,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 13:27:39,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 13:27:39,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 13:27:39,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 13:27:39,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 13:27:39,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 13:27:39,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 13:27:39,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 13:27:39,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 13:27:39,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 13:27:39,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 13:27:39,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 13:27:39,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 13:27:39,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 13:27:39,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 13:27:39,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 13:27:39,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 13:27:39,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 13:27:39,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 13:27:39,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 13:27:39,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 13:27:39,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 13:27:39,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 13:27:39,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 13:27:39,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 13:27:39,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 13:27:39,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 13:27:40,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 13:27:40,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 13:27:40,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 13:27:40,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 13:27:40,026 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 13:27:40,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 13:27:40,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 13:27:40,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 13:27:40,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 13:27:40,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 13:27:40,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 13:27:40,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 13:27:40,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 13:27:40,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 13:27:40,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 13:27:40,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 13:27:40,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 13:27:40,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 13:27:40,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 13:27:40,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 13:27:40,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 13:27:40,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:27:40,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 13:27:40,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 13:27:40,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 13:27:40,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 13:27:40,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 13:27:40,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 13:27:40,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 13:27:40,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 13:27:40,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 13:27:40,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 13:27:40,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 13:27:40,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 13:27:40,391 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 13:27:40,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-11 13:27:40,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eac9ced/50a4bdb45e14402ca7b5e5177be8a037/FLAGa3e5d2cee [2020-10-11 13:27:41,042 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 13:27:41,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-11 13:27:41,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eac9ced/50a4bdb45e14402ca7b5e5177be8a037/FLAGa3e5d2cee [2020-10-11 13:27:41,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07eac9ced/50a4bdb45e14402ca7b5e5177be8a037 [2020-10-11 13:27:41,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 13:27:41,319 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 13:27:41,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 13:27:41,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 13:27:41,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 13:27:41,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:27:41" (1/1) ... [2020-10-11 13:27:41,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af8eb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:41, skipping insertion in model container [2020-10-11 13:27:41,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:27:41" (1/1) ... [2020-10-11 13:27:41,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 13:27:41,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 13:27:41,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:27:41,925 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 13:27:41,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:27:42,071 INFO L208 MainTranslator]: Completed translation [2020-10-11 13:27:42,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42 WrapperNode [2020-10-11 13:27:42,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 13:27:42,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 13:27:42,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 13:27:42,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 13:27:42,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 13:27:42,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 13:27:42,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 13:27:42,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 13:27:42,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... [2020-10-11 13:27:42,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 13:27:42,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 13:27:42,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 13:27:42,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 13:27:42,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:27:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-11 13:27:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-11 13:27:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 13:27:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 13:27:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 13:27:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 13:27:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 13:27:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 13:27:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 13:27:42,241 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 13:27:42,652 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 13:27:42,653 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-11 13:27:42,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:27:42 BoogieIcfgContainer [2020-10-11 13:27:42,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 13:27:42,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 13:27:42,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 13:27:42,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 13:27:42,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:27:41" (1/3) ... [2020-10-11 13:27:42,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abf683e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:27:42, skipping insertion in model container [2020-10-11 13:27:42,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:27:42" (2/3) ... [2020-10-11 13:27:42,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abf683e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:27:42, skipping insertion in model container [2020-10-11 13:27:42,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:27:42" (3/3) ... [2020-10-11 13:27:42,667 INFO L111 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2020-10-11 13:27:42,681 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 13:27:42,681 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 13:27:42,690 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 13:27:42,691 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 13:27:42,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:27:42,757 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-11 13:27:42,777 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:27:42,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:27:42,778 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:27:42,778 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:27:42,778 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:27:42,778 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:27:42,778 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:27:42,778 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:27:42,790 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:27:42,793 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-11 13:27:42,796 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-11 13:27:42,798 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 55 places, 59 transitions, 123 flow [2020-10-11 13:27:42,839 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2020-10-11 13:27:42,839 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 13:27:42,846 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 67 events. 8/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 48. Up to 5 conditions per place. [2020-10-11 13:27:42,849 INFO L117 LiptonReduction]: Number of co-enabled transitions 780 [2020-10-11 13:28:33,290 WARN L193 SmtUtils]: Spent 49.60 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-11 13:29:02,227 WARN L193 SmtUtils]: Spent 28.94 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:29:04,393 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-11 13:29:06,559 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-11 13:29:06,725 INFO L132 LiptonReduction]: Checked pairs total: 668 [2020-10-11 13:29:06,725 INFO L134 LiptonReduction]: Total number of compositions: 64 [2020-10-11 13:29:06,731 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 12 transitions, 29 flow [2020-10-11 13:29:06,740 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29 states. [2020-10-11 13:29:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-11 13:29:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-11 13:29:06,748 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:29:06,749 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-11 13:29:06,750 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-11 13:29:06,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:29:06,756 INFO L82 PathProgramCache]: Analyzing trace with hash 283669864, now seen corresponding path program 1 times [2020-10-11 13:29:06,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:29:06,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579338774] [2020-10-11 13:29:06,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:29:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:29:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:29:06,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579338774] [2020-10-11 13:29:06,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:29:06,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:29:06,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238484257] [2020-10-11 13:29:06,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 13:29:06,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:29:07,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 13:29:07,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 13:29:07,014 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-11 13:29:07,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:29:07,030 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2020-10-11 13:29:07,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 13:29:07,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-11 13:29:07,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:29:07,043 INFO L225 Difference]: With dead ends: 23 [2020-10-11 13:29:07,044 INFO L226 Difference]: Without dead ends: 23 [2020-10-11 13:29:07,046 INFO L673 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 [2020-10-11 13:29:07,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-11 13:29:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-11 13:29:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-11 13:29:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-10-11 13:29:07,097 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2020-10-11 13:29:07,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:29:07,098 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-10-11 13:29:07,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 13:29:07,098 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-10-11 13:29:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-11 13:29:07,098 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:29:07,099 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-11 13:29:07,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 13:29:07,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-11 13:29:07,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:29:07,100 INFO L82 PathProgramCache]: Analyzing trace with hash 203728727, now seen corresponding path program 1 times [2020-10-11 13:29:07,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:29:07,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750751857] [2020-10-11 13:29:07,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:29:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:29:07,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:29:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:29:07,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:29:07,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 13:29:07,178 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 13:29:07,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 13:29:07,180 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 13:29:07,181 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-11 13:29:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:29:07,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-11 13:29:07,214 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:29:07,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:29:07,215 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:29:07,215 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:29:07,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:29:07,215 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:29:07,215 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:29:07,215 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:29:07,218 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:29:07,218 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-11 13:29:07,219 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-11 13:29:07,219 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 210 flow [2020-10-11 13:29:07,255 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2020-10-11 13:29:07,255 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-11 13:29:07,258 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 15/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 214 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2020-10-11 13:29:07,266 INFO L117 LiptonReduction]: Number of co-enabled transitions 4680 [2020-10-11 13:29:12,068 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-11 13:29:18,447 WARN L193 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-11 13:29:29,097 WARN L193 SmtUtils]: Spent 10.40 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-11 13:29:47,694 WARN L193 SmtUtils]: Spent 18.59 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:29:47,800 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:29:47,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:29:47,808 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:29:47,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:29:49,992 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-11 13:29:52,134 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 33 [2020-10-11 13:30:19,057 WARN L193 SmtUtils]: Spent 26.89 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:30:35,592 WARN L193 SmtUtils]: Spent 16.53 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:30:37,908 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-11 13:30:40,044 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-11 13:31:13,153 WARN L193 SmtUtils]: Spent 33.09 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-11 13:31:33,832 WARN L193 SmtUtils]: Spent 20.68 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:31:33,956 INFO L132 LiptonReduction]: Checked pairs total: 8658 [2020-10-11 13:31:33,957 INFO L134 LiptonReduction]: Total number of compositions: 102 [2020-10-11 13:31:33,957 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 34 transitions, 80 flow [2020-10-11 13:31:33,987 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 653 states. [2020-10-11 13:31:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2020-10-11 13:31:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-11 13:31:33,989 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:31:33,989 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-11 13:31:33,989 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:31:33,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:31:33,989 INFO L82 PathProgramCache]: Analyzing trace with hash 507661700, now seen corresponding path program 1 times [2020-10-11 13:31:33,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:31:33,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678767855] [2020-10-11 13:31:33,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:31:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:31:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:31:34,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678767855] [2020-10-11 13:31:34,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:31:34,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:31:34,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611526849] [2020-10-11 13:31:34,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 13:31:34,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:31:34,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 13:31:34,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 13:31:34,018 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 2 states. [2020-10-11 13:31:34,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:31:34,053 INFO L93 Difference]: Finished difference Result 520 states and 1400 transitions. [2020-10-11 13:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 13:31:34,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-11 13:31:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:31:34,066 INFO L225 Difference]: With dead ends: 520 [2020-10-11 13:31:34,066 INFO L226 Difference]: Without dead ends: 520 [2020-10-11 13:31:34,067 INFO L673 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 [2020-10-11 13:31:34,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-11 13:31:34,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2020-10-11 13:31:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-10-11 13:31:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 1400 transitions. [2020-10-11 13:31:34,139 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 1400 transitions. Word has length 5 [2020-10-11 13:31:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:31:34,140 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 1400 transitions. [2020-10-11 13:31:34,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 13:31:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1400 transitions. [2020-10-11 13:31:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 13:31:34,141 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:31:34,141 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:31:34,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 13:31:34,142 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:31:34,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:31:34,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1165950069, now seen corresponding path program 1 times [2020-10-11 13:31:34,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:31:34,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738610469] [2020-10-11 13:31:34,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:31:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:31:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:31:34,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738610469] [2020-10-11 13:31:34,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:31:34,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:31:34,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115577000] [2020-10-11 13:31:34,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:31:34,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:31:34,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:31:34,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:31:34,248 INFO L87 Difference]: Start difference. First operand 520 states and 1400 transitions. Second operand 5 states. [2020-10-11 13:31:34,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:31:34,371 INFO L93 Difference]: Finished difference Result 657 states and 1747 transitions. [2020-10-11 13:31:34,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:31:34,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-11 13:31:34,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:31:34,378 INFO L225 Difference]: With dead ends: 657 [2020-10-11 13:31:34,378 INFO L226 Difference]: Without dead ends: 657 [2020-10-11 13:31:34,379 INFO L673 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 [2020-10-11 13:31:34,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-11 13:31:34,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 565. [2020-10-11 13:31:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-11 13:31:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1510 transitions. [2020-10-11 13:31:34,416 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1510 transitions. Word has length 8 [2020-10-11 13:31:34,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:31:34,417 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 1510 transitions. [2020-10-11 13:31:34,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:31:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1510 transitions. [2020-10-11 13:31:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-11 13:31:34,418 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:31:34,418 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-11 13:31:34,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 13:31:34,419 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:31:34,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:31:34,419 INFO L82 PathProgramCache]: Analyzing trace with hash 899381557, now seen corresponding path program 1 times [2020-10-11 13:31:34,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:31:34,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269919756] [2020-10-11 13:31:34,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:31:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:31:34,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:31:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:31:34,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:31:34,449 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 13:31:34,450 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 13:31:34,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 13:31:34,450 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 13:31:34,452 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-11 13:31:34,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,495 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,496 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,504 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:31:34,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 13:31:34,507 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:31:34,507 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:31:34,508 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:31:34,508 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:31:34,508 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:31:34,508 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:31:34,508 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:31:34,508 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:31:34,513 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:31:34,513 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-11 13:31:34,513 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-11 13:31:34,513 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 299 flow [2020-10-11 13:31:34,542 INFO L129 PetriNetUnfolder]: 22/165 cut-off events. [2020-10-11 13:31:34,542 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-11 13:31:34,546 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 165 events. 22/165 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 447 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 126. Up to 8 conditions per place. [2020-10-11 13:31:34,556 INFO L117 LiptonReduction]: Number of co-enabled transitions 11700 [2020-10-11 13:31:39,362 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-11 13:31:41,456 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-11 13:31:41,461 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:31:41,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:31:41,472 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:31:41,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:31:41,777 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:31:41,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:31:41,792 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:31:41,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:31:44,311 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:31:44,312 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:31:46,363 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:31:46,363 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:32:25,676 WARN L193 SmtUtils]: Spent 39.30 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-11 13:32:42,229 WARN L193 SmtUtils]: Spent 16.55 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:32:42,255 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:32:42,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:32:42,268 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:32:42,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:33:17,464 WARN L193 SmtUtils]: Spent 35.17 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-11 13:33:29,877 WARN L193 SmtUtils]: Spent 12.41 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:33:29,911 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:33:29,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:33:29,920 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:33:29,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:34:29,967 WARN L193 SmtUtils]: Spent 59.92 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-11 13:34:42,388 WARN L193 SmtUtils]: Spent 12.42 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:34:54,930 WARN L193 SmtUtils]: Spent 12.42 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:35:11,489 WARN L193 SmtUtils]: Spent 16.56 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:35:30,227 WARN L193 SmtUtils]: Spent 18.62 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:35:48,861 WARN L193 SmtUtils]: Spent 18.63 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:35:53,034 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-11 13:35:57,212 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-11 13:35:57,488 INFO L132 LiptonReduction]: Checked pairs total: 21269 [2020-10-11 13:35:57,488 INFO L134 LiptonReduction]: Total number of compositions: 138 [2020-10-11 13:35:57,489 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions, 119 flow [2020-10-11 13:35:57,988 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7187 states. [2020-10-11 13:35:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states. [2020-10-11 13:35:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-11 13:35:57,989 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:35:57,989 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-11 13:35:57,989 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:35:57,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:35:57,990 INFO L82 PathProgramCache]: Analyzing trace with hash 801024743, now seen corresponding path program 1 times [2020-10-11 13:35:57,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:35:57,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391516571] [2020-10-11 13:35:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:35:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:35:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:35:58,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391516571] [2020-10-11 13:35:58,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:35:58,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:35:58,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122409612] [2020-10-11 13:35:58,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 13:35:58,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:35:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 13:35:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 13:35:58,042 INFO L87 Difference]: Start difference. First operand 7187 states. Second operand 2 states. [2020-10-11 13:35:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:35:58,133 INFO L93 Difference]: Finished difference Result 5723 states and 21123 transitions. [2020-10-11 13:35:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 13:35:58,133 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-11 13:35:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:35:58,190 INFO L225 Difference]: With dead ends: 5723 [2020-10-11 13:35:58,190 INFO L226 Difference]: Without dead ends: 5723 [2020-10-11 13:35:58,191 INFO L673 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 [2020-10-11 13:35:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-10-11 13:35:58,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5723. [2020-10-11 13:35:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5723 states. [2020-10-11 13:35:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5723 states to 5723 states and 21123 transitions. [2020-10-11 13:35:58,461 INFO L78 Accepts]: Start accepts. Automaton has 5723 states and 21123 transitions. Word has length 5 [2020-10-11 13:35:58,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:35:58,461 INFO L481 AbstractCegarLoop]: Abstraction has 5723 states and 21123 transitions. [2020-10-11 13:35:58,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 13:35:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5723 states and 21123 transitions. [2020-10-11 13:35:58,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 13:35:58,463 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:35:58,463 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:35:58,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 13:35:58,463 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:35:58,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:35:58,464 INFO L82 PathProgramCache]: Analyzing trace with hash 480170840, now seen corresponding path program 1 times [2020-10-11 13:35:58,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:35:58,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638225961] [2020-10-11 13:35:58,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:35:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:35:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:35:58,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638225961] [2020-10-11 13:35:58,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:35:58,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:35:58,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992517314] [2020-10-11 13:35:58,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:35:58,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:35:58,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:35:58,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:35:58,590 INFO L87 Difference]: Start difference. First operand 5723 states and 21123 transitions. Second operand 5 states. [2020-10-11 13:35:58,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:35:58,890 INFO L93 Difference]: Finished difference Result 8300 states and 29773 transitions. [2020-10-11 13:35:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:35:58,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-11 13:35:58,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:35:58,957 INFO L225 Difference]: With dead ends: 8300 [2020-10-11 13:35:58,957 INFO L226 Difference]: Without dead ends: 8300 [2020-10-11 13:35:58,958 INFO L673 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 [2020-10-11 13:35:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2020-10-11 13:35:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 6844. [2020-10-11 13:35:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6844 states. [2020-10-11 13:35:59,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6844 states to 6844 states and 25077 transitions. [2020-10-11 13:35:59,344 INFO L78 Accepts]: Start accepts. Automaton has 6844 states and 25077 transitions. Word has length 8 [2020-10-11 13:35:59,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:35:59,344 INFO L481 AbstractCegarLoop]: Abstraction has 6844 states and 25077 transitions. [2020-10-11 13:35:59,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:35:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 6844 states and 25077 transitions. [2020-10-11 13:35:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 13:35:59,346 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:35:59,346 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:35:59,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 13:35:59,346 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:35:59,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:35:59,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1897323398, now seen corresponding path program 1 times [2020-10-11 13:35:59,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:35:59,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950841519] [2020-10-11 13:35:59,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:35:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:35:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-11 13:35:59,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950841519] [2020-10-11 13:35:59,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:35:59,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:35:59,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313457963] [2020-10-11 13:35:59,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:35:59,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:35:59,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:35:59,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:35:59,416 INFO L87 Difference]: Start difference. First operand 6844 states and 25077 transitions. Second operand 5 states. [2020-10-11 13:35:59,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:35:59,611 INFO L93 Difference]: Finished difference Result 9360 states and 33488 transitions. [2020-10-11 13:35:59,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:35:59,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-11 13:35:59,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:35:59,656 INFO L225 Difference]: With dead ends: 9360 [2020-10-11 13:35:59,657 INFO L226 Difference]: Without dead ends: 9360 [2020-10-11 13:35:59,657 INFO L673 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 [2020-10-11 13:35:59,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9360 states. [2020-10-11 13:35:59,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9360 to 7453. [2020-10-11 13:35:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7453 states. [2020-10-11 13:35:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 27180 transitions. [2020-10-11 13:35:59,952 INFO L78 Accepts]: Start accepts. Automaton has 7453 states and 27180 transitions. Word has length 11 [2020-10-11 13:35:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:35:59,953 INFO L481 AbstractCegarLoop]: Abstraction has 7453 states and 27180 transitions. [2020-10-11 13:35:59,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:35:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7453 states and 27180 transitions. [2020-10-11 13:35:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 13:35:59,955 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:35:59,955 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-11 13:35:59,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 13:35:59,955 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:35:59,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:35:59,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1479022550, now seen corresponding path program 1 times [2020-10-11 13:35:59,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:35:59,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980620850] [2020-10-11 13:35:59,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:35:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:35:59,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:35:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:35:59,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:35:59,980 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 13:35:59,980 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 13:35:59,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 13:35:59,981 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 13:35:59,981 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-11 13:36:00,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,038 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,039 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,039 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,049 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,049 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,049 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,056 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,057 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,057 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,057 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,057 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:36:00,077 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 13:36:00,077 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:36:00,077 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:36:00,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:36:00,078 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:36:00,078 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:36:00,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:36:00,078 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:36:00,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:36:00,080 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:36:00,080 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 179 transitions, 390 flow [2020-10-11 13:36:00,080 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 179 transitions, 390 flow [2020-10-11 13:36:00,080 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 390 flow [2020-10-11 13:36:00,113 INFO L129 PetriNetUnfolder]: 29/214 cut-off events. [2020-10-11 13:36:00,114 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-11 13:36:00,117 INFO L80 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 214 events. 29/214 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 671 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 173. Up to 10 conditions per place. [2020-10-11 13:36:00,135 INFO L117 LiptonReduction]: Number of co-enabled transitions 21840 [2020-10-11 13:36:06,656 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:36:10,831 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:36:10,968 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:36:10,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:36:10,977 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:36:10,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:36:17,788 WARN L193 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-11 13:36:17,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:36:17,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:36:17,920 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:36:17,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:36:22,194 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-11 13:36:25,427 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:36:27,558 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-11 13:37:09,206 WARN L193 SmtUtils]: Spent 41.65 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-11 13:37:27,945 WARN L193 SmtUtils]: Spent 18.74 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:37:40,533 WARN L193 SmtUtils]: Spent 12.52 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:37:50,967 WARN L193 SmtUtils]: Spent 10.43 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:37:53,103 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-11 13:37:55,247 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-11 13:37:57,416 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:37:59,564 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-11 13:38:41,199 WARN L193 SmtUtils]: Spent 41.63 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-11 13:38:47,474 WARN L193 SmtUtils]: Spent 6.27 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:39:18,837 WARN L193 SmtUtils]: Spent 31.29 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-11 13:39:35,484 WARN L193 SmtUtils]: Spent 16.65 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-11 13:39:35,489 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:39:35,489 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:39:35,509 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:39:35,510 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:39:59,042 WARN L193 SmtUtils]: Spent 21.34 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-11 13:40:26,720 WARN L193 SmtUtils]: Spent 27.68 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:40:27,013 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:40:27,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:40:27,022 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-11 13:40:27,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 13:40:54,851 WARN L193 SmtUtils]: Spent 27.69 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:41:22,525 WARN L193 SmtUtils]: Spent 27.67 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:41:50,270 WARN L193 SmtUtils]: Spent 27.69 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:42:15,817 WARN L193 SmtUtils]: Spent 25.54 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-11 13:42:15,893 INFO L132 LiptonReduction]: Checked pairs total: 40017 [2020-10-11 13:42:15,893 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-11 13:42:15,893 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 64 transitions, 160 flow Received shutdown request... [2020-10-11 13:42:24,474 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-11 13:42:24,476 WARN L235 ceAbstractionStarter]: Timeout [2020-10-11 13:42:24,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:42:24 BasicIcfg [2020-10-11 13:42:24,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 13:42:24,478 INFO L168 Benchmark]: Toolchain (without parser) took 883160.08 ms. Allocated memory was 249.6 MB in the beginning and 1.0 GB in the end (delta: 779.6 MB). Free memory was 202.8 MB in the beginning and 627.9 MB in the end (delta: -425.1 MB). Peak memory consumption was 648.6 MB. Max. memory is 14.2 GB. [2020-10-11 13:42:24,479 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 249.6 MB. Free memory is still 223.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 13:42:24,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.16 ms. Allocated memory was 249.6 MB in the beginning and 309.9 MB in the end (delta: 60.3 MB). Free memory was 202.8 MB in the beginning and 265.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 14.2 GB. [2020-10-11 13:42:24,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.03 ms. Allocated memory is still 309.9 MB. Free memory was 265.8 MB in the beginning and 263.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:42:24,496 INFO L168 Benchmark]: Boogie Preprocessor took 32.13 ms. Allocated memory is still 309.9 MB. Free memory is still 263.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 13:42:24,497 INFO L168 Benchmark]: RCFGBuilder took 486.89 ms. Allocated memory is still 309.9 MB. Free memory was 263.3 MB in the beginning and 239.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-11 13:42:24,498 INFO L168 Benchmark]: TraceAbstraction took 881819.75 ms. Allocated memory was 309.9 MB in the beginning and 1.0 GB in the end (delta: 719.3 MB). Free memory was 239.0 MB in the beginning and 627.9 MB in the end (delta: -389.0 MB). Peak memory consumption was 624.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:42:24,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 249.6 MB. Free memory is still 223.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 752.16 ms. Allocated memory was 249.6 MB in the beginning and 309.9 MB in the end (delta: 60.3 MB). Free memory was 202.8 MB in the beginning and 265.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.03 ms. Allocated memory is still 309.9 MB. Free memory was 265.8 MB in the beginning and 263.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 32.13 ms. Allocated memory is still 309.9 MB. Free memory is still 263.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 486.89 ms. Allocated memory is still 309.9 MB. Free memory was 263.3 MB in the beginning and 239.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 881819.75 ms. Allocated memory was 309.9 MB in the beginning and 1.0 GB in the end (delta: 719.3 MB). Free memory was 239.0 MB in the beginning and 627.9 MB in the end (delta: -389.0 MB). Peak memory consumption was 624.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 512 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 83.9s, 55 PlacesBefore, 13 PlacesAfterwards, 59 TransitionsBefore, 12 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 5 ChoiceCompositions, 64 TotalNumberOfCompositions, 668 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3337 VarBasedMoverChecksPositive, 111 VarBasedMoverChecksNegative, 63 SemBasedMoverChecksPositive, 48 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 235 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 146.7s, 91 PlacesBefore, 32 PlacesAfterwards, 99 TransitionsBefore, 34 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 102 TotalNumberOfCompositions, 8658 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8017 VarBasedMoverChecksPositive, 291 VarBasedMoverChecksNegative, 203 SemBasedMoverChecksPositive, 87 SemBasedMoverChecksNegative, 1 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 4.8s, 491 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 262.9s, 127 PlacesBefore, 45 PlacesAfterwards, 139 TransitionsBefore, 49 TransitionsAfterwards, 11700 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 8 ChoiceCompositions, 138 TotalNumberOfCompositions, 21269 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 14355 VarBasedMoverChecksPositive, 476 VarBasedMoverChecksNegative, 364 SemBasedMoverChecksPositive, 110 SemBasedMoverChecksNegative, 2 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 5.3s, 579 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 375.8s, 163 PlacesBefore, 58 PlacesAfterwards, 179 TransitionsBefore, 64 TransitionsAfterwards, 21840 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 122 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 39 ConcurrentYvCompositions, 10 ChoiceCompositions, 179 TotalNumberOfCompositions, 40017 MoverChecksTotal - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 716). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 58 places, 64 transitions, 160 flow. Already constructed 58738 states. Currently 8672 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 881.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 878.6s, HoareTripleCheckerStatistics: 316 SDtfs, 234 SDslu, 381 SDs, 0 SdLazy, 290 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7453occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3455 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown