/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:42:11,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:42:11,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:42:12,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:42:12,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:42:12,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:42:12,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:42:12,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:42:12,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:42:12,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:42:12,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:42:12,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:42:12,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:42:12,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:42:12,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:42:12,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:42:12,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:42:12,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:42:12,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:42:12,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:42:12,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:42:12,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:42:12,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:42:12,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:42:12,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 11:42:12,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 11:42:12,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 11:42:12,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 11:42:12,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 11:42:12,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 11:42:12,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:42:12,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:42:12,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:42:12,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:42:12,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:42:12,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:42:12,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:42:12,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:42:12,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:42:12,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:42:12,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:42:12,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:42:12,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:42:12,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:42:12,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:42:12,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:42:12,138 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:42:12,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:42:12,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:42:12,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:42:12,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:42:12,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:42:12,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:42:12,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:42:12,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:42:12,141 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:42:12,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:42:12,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:42:12,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:42:12,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:42:12,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:42:12,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:42:12,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:42:12,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:42:12,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:42:12,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:42:12,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:42:12,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:42:12,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:42:12,144 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:42:12,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:42:12,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:42:12,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:42:12,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:42:12,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:42:12,494 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:42:12,495 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-16 11:42:12,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd252d6d7/e28b11df4d6d4c25ac920c13bcc7d5ba/FLAG352d78347 [2020-10-16 11:42:13,163 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:42:13,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-16 11:42:13,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd252d6d7/e28b11df4d6d4c25ac920c13bcc7d5ba/FLAG352d78347 [2020-10-16 11:42:13,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd252d6d7/e28b11df4d6d4c25ac920c13bcc7d5ba [2020-10-16 11:42:13,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:42:13,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:42:13,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:42:13,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:42:13,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:42:13,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:42:13" (1/1) ... [2020-10-16 11:42:13,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ec681f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:13, skipping insertion in model container [2020-10-16 11:42:13,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:42:13" (1/1) ... [2020-10-16 11:42:13,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:42:13,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:42:13,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:42:14,005 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:42:14,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:42:14,158 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:42:14,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14 WrapperNode [2020-10-16 11:42:14,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:42:14,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:42:14,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:42:14,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:42:14,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:42:14,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:42:14,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:42:14,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:42:14,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... [2020-10-16 11:42:14,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:42:14,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:42:14,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:42:14,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:42:14,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:42:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 11:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 11:42:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:42:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:42:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:42:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:42:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:42:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:42:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:42:14,315 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:42:14,681 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:42:14,682 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-16 11:42:14,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:42:14 BoogieIcfgContainer [2020-10-16 11:42:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:42:14,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:42:14,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:42:14,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:42:14,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:42:13" (1/3) ... [2020-10-16 11:42:14,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4312eb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:42:14, skipping insertion in model container [2020-10-16 11:42:14,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:42:14" (2/3) ... [2020-10-16 11:42:14,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4312eb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:42:14, skipping insertion in model container [2020-10-16 11:42:14,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:42:14" (3/3) ... [2020-10-16 11:42:14,715 INFO L111 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2020-10-16 11:42:14,733 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:42:14,733 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:42:14,740 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 11:42:14,740 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:42:14,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:42:14,792 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:42:14,807 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 11:42:14,827 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:42:14,827 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:42:14,827 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:42:14,827 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:42:14,828 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:42:14,828 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:42:14,828 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:42:14,828 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:42:14,841 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:42:14,842 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-16 11:42:14,845 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-16 11:42:14,847 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 55 places, 59 transitions, 123 flow [2020-10-16 11:42:14,887 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2020-10-16 11:42:14,888 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:42:14,893 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. [2020-10-16 11:42:14,896 INFO L117 LiptonReduction]: Number of co-enabled transitions 780 [2020-10-16 11:43:01,221 WARN L193 SmtUtils]: Spent 45.56 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-16 11:43:32,258 WARN L193 SmtUtils]: Spent 31.03 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-16 11:43:34,414 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-16 11:43:36,585 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-16 11:43:36,740 INFO L132 LiptonReduction]: Checked pairs total: 668 [2020-10-16 11:43:36,740 INFO L134 LiptonReduction]: Total number of compositions: 64 [2020-10-16 11:43:36,746 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 12 transitions, 29 flow [2020-10-16 11:43:36,754 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29 states. [2020-10-16 11:43:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-16 11:43:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 11:43:36,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:43:36,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 11:43:36,764 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 11:43:36,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:43:36,770 INFO L82 PathProgramCache]: Analyzing trace with hash 283669864, now seen corresponding path program 1 times [2020-10-16 11:43:36,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:43:36,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639383153] [2020-10-16 11:43:36,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:43:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:43:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:43:36,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639383153] [2020-10-16 11:43:36,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:43:36,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:43:36,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219475935] [2020-10-16 11:43:36,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 11:43:36,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:43:36,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 11:43:36,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 11:43:36,968 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-16 11:43:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:43:36,982 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2020-10-16 11:43:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 11:43:36,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-16 11:43:36,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:43:36,994 INFO L225 Difference]: With dead ends: 23 [2020-10-16 11:43:36,994 INFO L226 Difference]: Without dead ends: 23 [2020-10-16 11:43:36,996 INFO L677 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 [2020-10-16 11:43:37,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-16 11:43:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-16 11:43:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-16 11:43:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-10-16 11:43:37,033 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2020-10-16 11:43:37,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:43:37,033 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-10-16 11:43:37,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 11:43:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-10-16 11:43:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 11:43:37,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:43:37,034 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-16 11:43:37,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:43:37,035 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 11:43:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:43:37,035 INFO L82 PathProgramCache]: Analyzing trace with hash 203728727, now seen corresponding path program 1 times [2020-10-16 11:43:37,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:43:37,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034497659] [2020-10-16 11:43:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:43:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:43:37,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:43:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:43:37,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:43:37,098 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:43:37,099 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:43:37,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:43:37,101 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 11:43:37,102 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 11:43:37,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,139 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,139 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,139 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,139 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:43:37,145 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:43:37,146 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 11:43:37,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:43:37,146 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:43:37,146 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:43:37,147 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:43:37,147 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:43:37,147 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:43:37,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:43:37,147 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:43:37,151 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:43:37,151 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-16 11:43:37,152 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-16 11:43:37,152 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 210 flow [2020-10-16 11:43:37,199 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2020-10-16 11:43:37,199 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 11:43:37,204 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. [2020-10-16 11:43:37,211 INFO L117 LiptonReduction]: Number of co-enabled transitions 4680 [2020-10-16 11:43:42,103 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-16 11:43:44,204 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-16 11:44:09,214 WARN L193 SmtUtils]: Spent 24.89 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-16 11:44:25,809 WARN L193 SmtUtils]: Spent 16.59 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-16 11:44:29,988 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-16 11:44:32,115 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-16 11:44:40,431 WARN L193 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-16 11:44:50,806 WARN L193 SmtUtils]: Spent 10.37 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-16 11:44:57,185 WARN L193 SmtUtils]: Spent 6.26 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-16 11:44:59,296 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-16 11:45:53,310 WARN L193 SmtUtils]: Spent 53.91 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-16 11:46:11,956 WARN L193 SmtUtils]: Spent 18.64 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-16 11:46:11,968 INFO L132 LiptonReduction]: Checked pairs total: 8169 [2020-10-16 11:46:11,968 INFO L134 LiptonReduction]: Total number of compositions: 95 [2020-10-16 11:46:11,968 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 37 transitions, 86 flow [2020-10-16 11:46:12,015 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 832 states. [2020-10-16 11:46:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states. [2020-10-16 11:46:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 11:46:12,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:46:12,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 11:46:12,017 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:46:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:46:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1470993420, now seen corresponding path program 1 times [2020-10-16 11:46:12,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:46:12,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605492884] [2020-10-16 11:46:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:46:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:46:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:46:12,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605492884] [2020-10-16 11:46:12,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:46:12,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:46:12,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398199278] [2020-10-16 11:46:12,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 11:46:12,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:46:12,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 11:46:12,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 11:46:12,088 INFO L87 Difference]: Start difference. First operand 832 states. Second operand 2 states. [2020-10-16 11:46:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:46:12,138 INFO L93 Difference]: Finished difference Result 663 states and 1791 transitions. [2020-10-16 11:46:12,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 11:46:12,139 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-16 11:46:12,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:46:12,155 INFO L225 Difference]: With dead ends: 663 [2020-10-16 11:46:12,156 INFO L226 Difference]: Without dead ends: 663 [2020-10-16 11:46:12,156 INFO L677 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 [2020-10-16 11:46:12,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-10-16 11:46:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2020-10-16 11:46:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-10-16 11:46:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 1791 transitions. [2020-10-16 11:46:12,237 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 1791 transitions. Word has length 6 [2020-10-16 11:46:12,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:46:12,238 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 1791 transitions. [2020-10-16 11:46:12,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 11:46:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1791 transitions. [2020-10-16 11:46:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 11:46:12,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:46:12,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:46:12,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:46:12,239 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:46:12,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:46:12,240 INFO L82 PathProgramCache]: Analyzing trace with hash -578707308, now seen corresponding path program 1 times [2020-10-16 11:46:12,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:46:12,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249770408] [2020-10-16 11:46:12,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:46:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:46:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:46:12,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249770408] [2020-10-16 11:46:12,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:46:12,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:46:12,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734860612] [2020-10-16 11:46:12,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:46:12,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:46:12,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:46:12,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:46:12,367 INFO L87 Difference]: Start difference. First operand 663 states and 1791 transitions. Second operand 5 states. [2020-10-16 11:46:12,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:46:12,497 INFO L93 Difference]: Finished difference Result 816 states and 2174 transitions. [2020-10-16 11:46:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:46:12,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-16 11:46:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:46:12,505 INFO L225 Difference]: With dead ends: 816 [2020-10-16 11:46:12,505 INFO L226 Difference]: Without dead ends: 816 [2020-10-16 11:46:12,506 INFO L677 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 [2020-10-16 11:46:12,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-10-16 11:46:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 712. [2020-10-16 11:46:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-16 11:46:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1908 transitions. [2020-10-16 11:46:12,539 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1908 transitions. Word has length 8 [2020-10-16 11:46:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:46:12,540 INFO L481 AbstractCegarLoop]: Abstraction has 712 states and 1908 transitions. [2020-10-16 11:46:12,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:46:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1908 transitions. [2020-10-16 11:46:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 11:46:12,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:46:12,541 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-16 11:46:12,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:46:12,541 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:46:12,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:46:12,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1588131276, now seen corresponding path program 1 times [2020-10-16 11:46:12,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:46:12,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850430147] [2020-10-16 11:46:12,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:46:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:46:12,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:46:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:46:12,567 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:46:12,573 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:46:12,573 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:46:12,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:46:12,574 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 11:46:12,575 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 11:46:12,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,610 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:46:12,622 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:46:12,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 11:46:12,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:46:12,623 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:46:12,623 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:46:12,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:46:12,623 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:46:12,623 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:46:12,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:46:12,623 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:46:12,625 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:46:12,626 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-16 11:46:12,626 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-16 11:46:12,626 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 299 flow [2020-10-16 11:46:12,655 INFO L129 PetriNetUnfolder]: 22/165 cut-off events. [2020-10-16 11:46:12,656 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 11:46:12,659 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 440 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. [2020-10-16 11:46:12,669 INFO L117 LiptonReduction]: Number of co-enabled transitions 11700 [2020-10-16 11:46:36,650 WARN L193 SmtUtils]: Spent 22.86 s on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2020-10-16 11:46:55,270 WARN L193 SmtUtils]: Spent 18.62 s on a formula simplification that was a NOOP. DAG size: 24 Received shutdown request... [2020-10-16 11:47:05,867 WARN L210 SmtUtils]: Removed 6 from assertion stack [2020-10-16 11:47:05,867 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 11:47:05,870 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 11:47:05,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:47:05 BasicIcfg [2020-10-16 11:47:05,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:47:05,872 INFO L168 Benchmark]: Toolchain (without parser) took 292428.72 ms. Allocated memory was 140.0 MB in the beginning and 267.4 MB in the end (delta: 127.4 MB). Free memory was 100.2 MB in the beginning and 108.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:47:05,872 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:47:05,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.60 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.0 MB in the beginning and 161.7 MB in the end (delta: -61.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:47:05,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.15 ms. Allocated memory is still 202.9 MB. Free memory was 161.7 MB in the beginning and 159.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:47:05,875 INFO L168 Benchmark]: Boogie Preprocessor took 31.14 ms. Allocated memory is still 202.9 MB. Free memory was 159.7 MB in the beginning and 158.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 11:47:05,875 INFO L168 Benchmark]: RCFGBuilder took 441.20 ms. Allocated memory is still 202.9 MB. Free memory was 158.4 MB in the beginning and 135.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:47:05,876 INFO L168 Benchmark]: TraceAbstraction took 291175.78 ms. Allocated memory was 202.9 MB in the beginning and 267.4 MB in the end (delta: 64.5 MB). Free memory was 135.5 MB in the beginning and 108.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2020-10-16 11:47:05,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.60 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.0 MB in the beginning and 161.7 MB in the end (delta: -61.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.15 ms. Allocated memory is still 202.9 MB. Free memory was 161.7 MB in the beginning and 159.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.14 ms. Allocated memory is still 202.9 MB. Free memory was 159.7 MB in the beginning and 158.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.20 ms. Allocated memory is still 202.9 MB. Free memory was 158.4 MB in the beginning and 135.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 291175.78 ms. Allocated memory was 202.9 MB in the beginning and 267.4 MB in the end (delta: 64.5 MB). Free memory was 135.5 MB in the beginning and 108.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 422 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 81.8s, 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 2656 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 159 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 154.8s, 91 PlacesBefore, 35 PlacesAfterwards, 99 TransitionsBefore, 37 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 95 TotalNumberOfCompositions, 8169 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 PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 127 places, 139 transitions, 299 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 127 places, 139 transitions, 299 flow and 2850 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 31 for 10396ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 290.9s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 290.0s, HoareTripleCheckerStatistics: 98 SDtfs, 73 SDslu, 93 SDs, 0 SdLazy, 66 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=832occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 104 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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