/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 12:06:06,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 12:06:06,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 12:06:06,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 12:06:06,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 12:06:06,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 12:06:06,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 12:06:06,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 12:06:06,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 12:06:06,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 12:06:06,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 12:06:06,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 12:06:06,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 12:06:06,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 12:06:06,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 12:06:06,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 12:06:06,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 12:06:06,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 12:06:06,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 12:06:06,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 12:06:06,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 12:06:06,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 12:06:06,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 12:06:06,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 12:06:06,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 12:06:06,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 12:06:06,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 12:06:06,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 12:06:06,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 12:06:06,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 12:06:06,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 12:06:06,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 12:06:06,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 12:06:06,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 12:06:06,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 12:06:06,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 12:06:06,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 12:06:06,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 12:06:06,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 12:06:06,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 12:06:06,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 12:06:06,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf [2020-04-18 12:06:06,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 12:06:06,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 12:06:06,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 12:06:06,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 12:06:06,308 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 12:06:06,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 12:06:06,308 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 12:06:06,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 12:06:06,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 12:06:06,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 12:06:06,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 12:06:06,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 12:06:06,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 12:06:06,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 12:06:06,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 12:06:06,310 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 12:06:06,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 12:06:06,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 12:06:06,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 12:06:06,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 12:06:06,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 12:06:06,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 12:06:06,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 12:06:06,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 12:06:06,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 12:06:06,312 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 12:06:06,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 12:06:06,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 12:06:06,312 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 12:06:06,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 12:06:06,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 12:06:06,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 12:06:06,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 12:06:06,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 12:06:06,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 12:06:06,639 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 12:06:06,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-04-18 12:06:06,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0115235c/ad7d639b78b5476cb75f83298a4c5540/FLAG3c3881d9a [2020-04-18 12:06:07,283 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 12:06:07,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-04-18 12:06:07,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0115235c/ad7d639b78b5476cb75f83298a4c5540/FLAG3c3881d9a [2020-04-18 12:06:07,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0115235c/ad7d639b78b5476cb75f83298a4c5540 [2020-04-18 12:06:07,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 12:06:07,593 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 12:06:07,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 12:06:07,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 12:06:07,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 12:06:07,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 12:06:07" (1/1) ... [2020-04-18 12:06:07,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c52abe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:07, skipping insertion in model container [2020-04-18 12:06:07,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 12:06:07" (1/1) ... [2020-04-18 12:06:07,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 12:06:07,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 12:06:08,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 12:06:08,142 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 12:06:08,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 12:06:08,259 INFO L208 MainTranslator]: Completed translation [2020-04-18 12:06:08,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08 WrapperNode [2020-04-18 12:06:08,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 12:06:08,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 12:06:08,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 12:06:08,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 12:06:08,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 12:06:08,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 12:06:08,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 12:06:08,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 12:06:08,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... [2020-04-18 12:06:08,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 12:06:08,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 12:06:08,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 12:06:08,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 12:06:08,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 12:06:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 12:06:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 12:06:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 12:06:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 12:06:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 12:06:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 12:06:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 12:06:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 12:06:08,425 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 12:06:09,080 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 12:06:09,081 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-04-18 12:06:09,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 12:06:09 BoogieIcfgContainer [2020-04-18 12:06:09,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 12:06:09,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 12:06:09,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 12:06:09,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 12:06:09,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 12:06:07" (1/3) ... [2020-04-18 12:06:09,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2541fc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 12:06:09, skipping insertion in model container [2020-04-18 12:06:09,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:06:08" (2/3) ... [2020-04-18 12:06:09,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2541fc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 12:06:09, skipping insertion in model container [2020-04-18 12:06:09,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 12:06:09" (3/3) ... [2020-04-18 12:06:09,094 INFO L109 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs.i [2020-04-18 12:06:09,105 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 12:06:09,106 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 12:06:09,113 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 12:06:09,114 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 12:06:09,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,143 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:09,173 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 12:06:09,196 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:06:09,196 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:06:09,196 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:06:09,197 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:06:09,197 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:06:09,197 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:06:09,197 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:06:09,197 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:06:09,213 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 72 transitions, 149 flow [2020-04-18 12:06:09,214 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 68 places, 72 transitions, 149 flow [2020-04-18 12:06:09,261 INFO L129 PetriNetUnfolder]: 11/110 cut-off events. [2020-04-18 12:06:09,261 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 12:06:09,268 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 11/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 253 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 61. Up to 4 conditions per place. [2020-04-18 12:06:09,272 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 68 places, 72 transitions, 149 flow [2020-04-18 12:06:09,297 INFO L129 PetriNetUnfolder]: 11/110 cut-off events. [2020-04-18 12:06:09,297 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 12:06:09,298 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 11/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 253 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 61. Up to 4 conditions per place. [2020-04-18 12:06:09,301 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1760 [2020-04-18 12:06:09,302 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:06:10,167 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4131 [2020-04-18 12:06:10,168 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2020-04-18 12:06:10,175 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 34 transitions, 73 flow [2020-04-18 12:06:10,202 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 223 states. [2020-04-18 12:06:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-04-18 12:06:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 12:06:10,212 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:10,213 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-04-18 12:06:10,214 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:10,220 INFO L82 PathProgramCache]: Analyzing trace with hash 340624438, now seen corresponding path program 1 times [2020-04-18 12:06:10,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:10,229 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1901483708] [2020-04-18 12:06:10,242 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:10,250 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 12:06:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-04-18 12:06:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 12:06:10,252 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:10,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:10,253 INFO L82 PathProgramCache]: Analyzing trace with hash 340624438, now seen corresponding path program 2 times [2020-04-18 12:06:10,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:10,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303672576] [2020-04-18 12:06:10,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:06:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:06:10,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303672576] [2020-04-18 12:06:10,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:06:10,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:06:10,503 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:06:10,505 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:10,511 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 12:06:10,512 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:06:10,515 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:06:10,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:06:10,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:10,522 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 2 states. [2020-04-18 12:06:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:10,527 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-04-18 12:06:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-04-18 12:06:10,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:06:10,528 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1901483708] [2020-04-18 12:06:10,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:06:10,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:06:10,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1901483708] [2020-04-18 12:06:10,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 12:06:10,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:06:10,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:06:10,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:10,549 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 2 states. [2020-04-18 12:06:10,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:10,572 INFO L93 Difference]: Finished difference Result 223 states and 432 transitions. [2020-04-18 12:06:10,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 12:06:10,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-04-18 12:06:10,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:06:10,593 INFO L225 Difference]: With dead ends: 223 [2020-04-18 12:06:10,593 INFO L226 Difference]: Without dead ends: 181 [2020-04-18 12:06:10,595 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:10,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-04-18 12:06:10,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-04-18 12:06:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-04-18 12:06:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 354 transitions. [2020-04-18 12:06:10,658 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 354 transitions. Word has length 5 [2020-04-18 12:06:10,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:06:10,659 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 354 transitions. [2020-04-18 12:06:10,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 12:06:10,659 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 354 transitions. [2020-04-18 12:06:10,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:06:10,660 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:10,661 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-18 12:06:10,661 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:10,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:10,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1958830225, now seen corresponding path program 1 times [2020-04-18 12:06:10,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:10,662 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [74654310] [2020-04-18 12:06:10,663 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:10,663 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:06:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 12:06:10,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:06:10,664 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:10,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:10,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1958830225, now seen corresponding path program 2 times [2020-04-18 12:06:10,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:10,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533148387] [2020-04-18 12:06:10,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:10,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 12:06:10,744 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 12:06:10,744 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 12:06:10,745 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 12:06:10,745 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 12:06:10,757 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,757 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,757 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,757 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,758 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,758 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,758 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,758 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,759 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,759 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,759 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,759 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,759 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,759 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,760 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,761 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,761 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,761 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,761 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,762 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,762 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,762 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,762 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,763 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,764 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,765 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,765 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,765 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,765 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,765 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,766 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,766 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,766 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,767 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,767 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,768 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,768 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,768 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,768 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,769 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,770 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,770 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,770 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,771 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,771 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,772 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,772 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,772 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,773 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,773 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,773 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,773 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:10,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 12:06:10,783 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:06:10,784 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:06:10,784 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:06:10,784 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:06:10,784 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:06:10,784 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:06:10,784 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:06:10,784 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:06:10,787 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 95 transitions, 202 flow [2020-04-18 12:06:10,788 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 95 transitions, 202 flow [2020-04-18 12:06:10,844 INFO L129 PetriNetUnfolder]: 18/172 cut-off events. [2020-04-18 12:06:10,844 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-18 12:06:10,847 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 172 events. 18/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 553 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 111. Up to 6 conditions per place. [2020-04-18 12:06:10,856 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 95 transitions, 202 flow [2020-04-18 12:06:10,892 INFO L129 PetriNetUnfolder]: 18/172 cut-off events. [2020-04-18 12:06:10,892 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-18 12:06:10,895 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 172 events. 18/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 553 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 111. Up to 6 conditions per place. [2020-04-18 12:06:10,901 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4532 [2020-04-18 12:06:10,901 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:06:11,671 INFO L206 etLargeBlockEncoding]: Checked pairs total: 10890 [2020-04-18 12:06:11,671 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-04-18 12:06:11,672 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 48 transitions, 108 flow [2020-04-18 12:06:11,853 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2706 states. [2020-04-18 12:06:11,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states. [2020-04-18 12:06:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 12:06:11,855 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:11,855 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-04-18 12:06:11,855 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:11,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash 508549684, now seen corresponding path program 1 times [2020-04-18 12:06:11,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:11,857 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [164974935] [2020-04-18 12:06:11,857 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:11,858 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 12:06:11,858 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-04-18 12:06:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 12:06:11,859 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:11,859 INFO L82 PathProgramCache]: Analyzing trace with hash 508549684, now seen corresponding path program 2 times [2020-04-18 12:06:11,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:11,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896193018] [2020-04-18 12:06:11,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:06:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:06:11,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896193018] [2020-04-18 12:06:11,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:06:11,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:06:11,897 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:06:11,898 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:11,899 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 12:06:11,899 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:06:11,900 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:06:11,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:06:11,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:11,901 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 2 states. [2020-04-18 12:06:11,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:11,902 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-04-18 12:06:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-04-18 12:06:11,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:06:11,902 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [164974935] [2020-04-18 12:06:11,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:06:11,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:06:11,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [164974935] [2020-04-18 12:06:11,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 12:06:11,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:06:11,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:06:11,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:11,904 INFO L87 Difference]: Start difference. First operand 2706 states. Second operand 2 states. [2020-04-18 12:06:11,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:11,958 INFO L93 Difference]: Finished difference Result 2706 states and 7907 transitions. [2020-04-18 12:06:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 12:06:11,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-04-18 12:06:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:06:11,984 INFO L225 Difference]: With dead ends: 2706 [2020-04-18 12:06:11,984 INFO L226 Difference]: Without dead ends: 2484 [2020-04-18 12:06:11,985 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2020-04-18 12:06:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2484. [2020-04-18 12:06:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2484 states. [2020-04-18 12:06:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 7289 transitions. [2020-04-18 12:06:12,110 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 7289 transitions. Word has length 5 [2020-04-18 12:06:12,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:06:12,110 INFO L479 AbstractCegarLoop]: Abstraction has 2484 states and 7289 transitions. [2020-04-18 12:06:12,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 12:06:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 7289 transitions. [2020-04-18 12:06:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 12:06:12,111 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:12,111 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-04-18 12:06:12,112 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:12,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:12,112 INFO L82 PathProgramCache]: Analyzing trace with hash -912847861, now seen corresponding path program 1 times [2020-04-18 12:06:12,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:12,113 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [999054160] [2020-04-18 12:06:12,113 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:12,113 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 12:06:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-04-18 12:06:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 12:06:12,114 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:12,114 INFO L82 PathProgramCache]: Analyzing trace with hash -912847861, now seen corresponding path program 2 times [2020-04-18 12:06:12,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:12,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145504878] [2020-04-18 12:06:12,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:06:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:06:12,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145504878] [2020-04-18 12:06:12,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:06:12,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:06:12,179 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:06:12,180 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:12,180 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 12:06:12,181 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:06:12,186 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:06:12,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:06:12,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:12,187 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-04-18 12:06:12,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:12,190 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-04-18 12:06:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-04-18 12:06:12,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:06:12,191 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [999054160] [2020-04-18 12:06:12,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:06:12,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:06:12,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [999054160] [2020-04-18 12:06:12,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 12:06:12,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:06:12,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:06:12,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:12,192 INFO L87 Difference]: Start difference. First operand 2484 states and 7289 transitions. Second operand 3 states. [2020-04-18 12:06:12,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:12,270 INFO L93 Difference]: Finished difference Result 2629 states and 7439 transitions. [2020-04-18 12:06:12,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 12:06:12,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-04-18 12:06:12,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:06:12,286 INFO L225 Difference]: With dead ends: 2629 [2020-04-18 12:06:12,287 INFO L226 Difference]: Without dead ends: 2204 [2020-04-18 12:06:12,289 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2020-04-18 12:06:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2024. [2020-04-18 12:06:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2020-04-18 12:06:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 5749 transitions. [2020-04-18 12:06:12,357 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 5749 transitions. Word has length 7 [2020-04-18 12:06:12,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:06:12,357 INFO L479 AbstractCegarLoop]: Abstraction has 2024 states and 5749 transitions. [2020-04-18 12:06:12,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 12:06:12,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 5749 transitions. [2020-04-18 12:06:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 12:06:12,358 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:12,358 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-04-18 12:06:12,359 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:12,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1015550492, now seen corresponding path program 1 times [2020-04-18 12:06:12,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:12,360 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2085337159] [2020-04-18 12:06:12,360 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:12,360 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 12:06:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 12:06:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 12:06:12,361 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:12,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:12,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1015550492, now seen corresponding path program 2 times [2020-04-18 12:06:12,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:12,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934030925] [2020-04-18 12:06:12,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:12,395 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 12:06:12,395 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 12:06:12,395 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 12:06:12,396 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 12:06:12,399 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 12:06:12,411 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,411 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,412 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,412 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,413 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,413 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,413 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,413 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,413 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,413 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,414 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,414 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,414 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,417 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,417 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,417 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,417 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,417 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,417 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,418 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,419 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,421 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,421 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,421 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,421 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,421 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,422 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,423 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,424 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,424 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,424 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,424 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,424 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,424 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,426 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,426 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,426 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,426 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,427 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,428 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,428 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,428 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,430 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,430 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,430 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,430 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,432 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,432 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,432 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,434 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,434 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,434 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,434 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,434 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,434 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,435 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,435 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,435 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,435 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,435 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,435 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,436 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,436 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:12,437 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 12:06:12,438 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:06:12,438 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:06:12,438 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:06:12,438 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:06:12,438 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:06:12,438 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:06:12,438 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:06:12,438 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:06:12,440 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 118 transitions, 257 flow [2020-04-18 12:06:12,440 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 112 places, 118 transitions, 257 flow [2020-04-18 12:06:12,486 INFO L129 PetriNetUnfolder]: 25/234 cut-off events. [2020-04-18 12:06:12,486 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-18 12:06:12,489 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 234 events. 25/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 863 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 176. Up to 8 conditions per place. [2020-04-18 12:06:12,499 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 112 places, 118 transitions, 257 flow [2020-04-18 12:06:12,522 INFO L129 PetriNetUnfolder]: 25/234 cut-off events. [2020-04-18 12:06:12,523 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-18 12:06:12,526 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 234 events. 25/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 863 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 176. Up to 8 conditions per place. [2020-04-18 12:06:12,536 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8316 [2020-04-18 12:06:12,536 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:06:13,403 INFO L206 etLargeBlockEncoding]: Checked pairs total: 19134 [2020-04-18 12:06:13,403 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-04-18 12:06:13,404 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 60 transitions, 141 flow [2020-04-18 12:06:16,358 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 30003 states. [2020-04-18 12:06:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 30003 states. [2020-04-18 12:06:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 12:06:16,359 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:16,359 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-04-18 12:06:16,359 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:16,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:16,360 INFO L82 PathProgramCache]: Analyzing trace with hash 708949697, now seen corresponding path program 1 times [2020-04-18 12:06:16,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:16,360 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1937313951] [2020-04-18 12:06:16,361 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:16,361 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 12:06:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-04-18 12:06:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-18 12:06:16,362 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:16,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:16,362 INFO L82 PathProgramCache]: Analyzing trace with hash 708949697, now seen corresponding path program 2 times [2020-04-18 12:06:16,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:16,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780958999] [2020-04-18 12:06:16,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:06:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:06:16,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780958999] [2020-04-18 12:06:16,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:06:16,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:06:16,384 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:06:16,384 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:16,385 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-04-18 12:06:16,385 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:06:16,385 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:06:16,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:06:16,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:16,386 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 2 states. [2020-04-18 12:06:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:16,386 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-04-18 12:06:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-04-18 12:06:16,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:06:16,387 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1937313951] [2020-04-18 12:06:16,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:06:16,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:06:16,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1937313951] [2020-04-18 12:06:16,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 12:06:16,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:06:16,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:06:16,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:16,389 INFO L87 Difference]: Start difference. First operand 30003 states. Second operand 2 states. [2020-04-18 12:06:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:16,723 INFO L93 Difference]: Finished difference Result 30003 states and 117604 transitions. [2020-04-18 12:06:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 12:06:16,723 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-04-18 12:06:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:06:16,917 INFO L225 Difference]: With dead ends: 30003 [2020-04-18 12:06:16,917 INFO L226 Difference]: Without dead ends: 29067 [2020-04-18 12:06:16,918 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:06:18,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29067 states. [2020-04-18 12:06:19,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29067 to 29067. [2020-04-18 12:06:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29067 states. [2020-04-18 12:06:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29067 states to 29067 states and 114088 transitions. [2020-04-18 12:06:19,408 INFO L78 Accepts]: Start accepts. Automaton has 29067 states and 114088 transitions. Word has length 5 [2020-04-18 12:06:19,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:06:19,409 INFO L479 AbstractCegarLoop]: Abstraction has 29067 states and 114088 transitions. [2020-04-18 12:06:19,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 12:06:19,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29067 states and 114088 transitions. [2020-04-18 12:06:19,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 12:06:19,410 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:19,410 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-04-18 12:06:19,410 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:19,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:19,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1601966740, now seen corresponding path program 1 times [2020-04-18 12:06:19,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:19,411 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [415554835] [2020-04-18 12:06:19,411 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:19,412 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 12:06:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-04-18 12:06:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-04-18 12:06:19,412 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:19,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1601966740, now seen corresponding path program 2 times [2020-04-18 12:06:19,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:19,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28784390] [2020-04-18 12:06:19,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:06:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:06:19,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28784390] [2020-04-18 12:06:19,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:06:19,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:06:19,457 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:06:19,457 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:19,458 INFO L259 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-04-18 12:06:19,458 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:06:19,463 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:06:19,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:06:19,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:19,463 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-04-18 12:06:19,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:19,466 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-04-18 12:06:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-04-18 12:06:19,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:06:19,467 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [415554835] [2020-04-18 12:06:19,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:06:19,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:06:19,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [415554835] [2020-04-18 12:06:19,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 12:06:19,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:06:19,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:06:19,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:19,468 INFO L87 Difference]: Start difference. First operand 29067 states and 114088 transitions. Second operand 3 states. [2020-04-18 12:06:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:06:19,746 INFO L93 Difference]: Finished difference Result 36627 states and 139297 transitions. [2020-04-18 12:06:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 12:06:19,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-04-18 12:06:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:06:19,930 INFO L225 Difference]: With dead ends: 36627 [2020-04-18 12:06:19,930 INFO L226 Difference]: Without dead ends: 34492 [2020-04-18 12:06:19,931 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:21,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34492 states. [2020-04-18 12:06:22,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34492 to 30270. [2020-04-18 12:06:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30270 states. [2020-04-18 12:06:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30270 states to 30270 states and 115972 transitions. [2020-04-18 12:06:22,881 INFO L78 Accepts]: Start accepts. Automaton has 30270 states and 115972 transitions. Word has length 7 [2020-04-18 12:06:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:06:22,881 INFO L479 AbstractCegarLoop]: Abstraction has 30270 states and 115972 transitions. [2020-04-18 12:06:22,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 12:06:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 30270 states and 115972 transitions. [2020-04-18 12:06:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 12:06:22,883 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:22,884 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-04-18 12:06:22,884 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:22,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:22,884 INFO L82 PathProgramCache]: Analyzing trace with hash -943303476, now seen corresponding path program 1 times [2020-04-18 12:06:22,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:22,885 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1380217319] [2020-04-18 12:06:22,885 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:22,886 INFO L259 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-04-18 12:06:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-04-18 12:06:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 12:06:22,887 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:22,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:22,888 INFO L82 PathProgramCache]: Analyzing trace with hash -943303476, now seen corresponding path program 2 times [2020-04-18 12:06:22,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:22,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208932171] [2020-04-18 12:06:22,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:22,918 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 12:06:22,918 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 12:06:22,918 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 12:06:22,919 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 12:06:22,919 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-18 12:06:22,934 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,935 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,935 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,935 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,935 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,935 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,936 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,942 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,942 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,944 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,944 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,946 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,947 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,948 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,949 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,950 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,950 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,950 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,950 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,950 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,951 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,951 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,951 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,951 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,952 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,952 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,952 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,952 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,953 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,954 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,954 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,954 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,954 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,956 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,956 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,956 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,956 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,957 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,957 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,957 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,957 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,957 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,958 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,958 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,958 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,959 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,959 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,959 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,959 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,960 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,960 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,960 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,960 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,961 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,961 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,961 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,964 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,965 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,965 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,965 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,966 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,966 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,967 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,967 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,968 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,976 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,977 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,977 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,977 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,978 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,978 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,978 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,978 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,979 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,979 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,979 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,979 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,979 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:22,982 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 12:06:22,983 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:06:22,983 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:06:22,983 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:06:22,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:06:22,984 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:06:22,984 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:06:22,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:06:22,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:06:22,986 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 141 transitions, 314 flow [2020-04-18 12:06:22,987 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 134 places, 141 transitions, 314 flow [2020-04-18 12:06:23,034 INFO L129 PetriNetUnfolder]: 32/296 cut-off events. [2020-04-18 12:06:23,034 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-18 12:06:23,039 INFO L80 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 296 events. 32/296 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1172 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 242. Up to 10 conditions per place. [2020-04-18 12:06:23,059 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 134 places, 141 transitions, 314 flow [2020-04-18 12:06:23,091 INFO L129 PetriNetUnfolder]: 32/296 cut-off events. [2020-04-18 12:06:23,091 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-18 12:06:23,094 INFO L80 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 296 events. 32/296 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1172 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 242. Up to 10 conditions per place. [2020-04-18 12:06:23,104 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 13112 [2020-04-18 12:06:23,105 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:06:23,988 INFO L206 etLargeBlockEncoding]: Checked pairs total: 33957 [2020-04-18 12:06:23,988 INFO L214 etLargeBlockEncoding]: Total number of compositions: 75 [2020-04-18 12:06:23,989 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 76 transitions, 184 flow Received shutdown request... [2020-04-18 12:10:30,493 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 12:10:30,496 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 12:10:30,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 12:10:30 BasicIcfg [2020-04-18 12:10:30,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 12:10:30,503 INFO L168 Benchmark]: Toolchain (without parser) took 262921.02 ms. Allocated memory was 145.2 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 101.6 MB in the beginning and 304.0 MB in the end (delta: -202.4 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,503 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.08 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 161.0 MB in the end (delta: -61.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.66 ms. Allocated memory is still 201.9 MB. Free memory was 161.0 MB in the beginning and 159.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,507 INFO L168 Benchmark]: Boogie Preprocessor took 30.55 ms. Allocated memory is still 201.9 MB. Free memory was 159.0 MB in the beginning and 157.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,507 INFO L168 Benchmark]: RCFGBuilder took 733.96 ms. Allocated memory is still 201.9 MB. Free memory was 157.1 MB in the beginning and 113.6 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,508 INFO L168 Benchmark]: TraceAbstraction took 261410.71 ms. Allocated memory was 201.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 112.9 MB in the beginning and 304.0 MB in the end (delta: -191.1 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-04-18 12:10:30,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.08 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 161.0 MB in the end (delta: -61.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.66 ms. Allocated memory is still 201.9 MB. Free memory was 161.0 MB in the beginning and 159.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.55 ms. Allocated memory is still 201.9 MB. Free memory was 159.0 MB in the beginning and 157.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 733.96 ms. Allocated memory is still 201.9 MB. Free memory was 157.1 MB in the beginning and 113.6 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261410.71 ms. Allocated memory was 201.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 112.9 MB in the beginning and 304.0 MB in the end (delta: -191.1 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 68 ProgramPointsBefore, 32 ProgramPointsAfterwards, 72 TransitionsBefore, 34 TransitionsAfterwards, 1760 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 927 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4131 CheckedPairsTotal, 45 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 90 ProgramPointsBefore, 46 ProgramPointsAfterwards, 95 TransitionsBefore, 48 TransitionsAfterwards, 4532 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 2270 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 10890 CheckedPairsTotal, 55 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 112 ProgramPointsBefore, 59 ProgramPointsAfterwards, 118 TransitionsBefore, 60 TransitionsAfterwards, 8316 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 3780 VarBasedMoverChecksPositive, 92 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 19134 CheckedPairsTotal, 65 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 134 ProgramPointsBefore, 74 ProgramPointsAfterwards, 141 TransitionsBefore, 76 TransitionsAfterwards, 13112 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 5871 VarBasedMoverChecksPositive, 117 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 33957 CheckedPairsTotal, 75 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 74 places, 76 transitions, 184 flow. Already constructed 367822 states. Currently 9503 states in worklist.. - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 74 places, 76 transitions, 184 flow. Already constructed 367822 states. Currently 9503 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 2 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 261.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 253.5s, HoareTripleCheckerStatistics: 298 SDtfs, 74 SDslu, 69 SDs, 0 SdLazy, 31 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30270occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 4402 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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