/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-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:10:41,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:10:41,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:10:41,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:10:41,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:10:41,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:10:41,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:10:41,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:10:41,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:10:41,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:10:41,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:10:41,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:10:41,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:10:41,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:10:41,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:10:41,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:10:41,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:10:41,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:10:41,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:10:41,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:10:41,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:10:41,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:10:41,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:10:41,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:10:41,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:10:41,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:10:41,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:10:41,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:10:41,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:10:41,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:10:41,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:10:41,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:10:41,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:10:41,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:10:41,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:10:41,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:10:41,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:10:41,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:10:41,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:10:41,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:10:41,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:10:41,447 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-NoLbe-McrStrategy.epf [2020-04-18 20:10:41,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:10:41,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:10:41,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:10:41,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:10:41,464 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:10:41,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:10:41,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:10:41,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:10:41,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:10:41,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:10:41,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:10:41,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:10:41,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:10:41,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:10:41,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:10:41,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:10:41,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:10:41,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:10:41,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:10:41,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:10:41,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:10:41,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:10:41,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:10:41,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:10:41,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:10:41,468 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:10:41,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:10:41,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:10:41,469 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:10:41,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:10:41,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:10:41,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:10:41,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:10:41,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:10:41,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:10:41,777 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:10:41,778 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-04-18 20:10:41,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e68fd886/490509d5bd3b4fce82021df1fb9156a8/FLAG7b5e584e3 [2020-04-18 20:10:42,582 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:10:42,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-04-18 20:10:42,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e68fd886/490509d5bd3b4fce82021df1fb9156a8/FLAG7b5e584e3 [2020-04-18 20:10:42,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e68fd886/490509d5bd3b4fce82021df1fb9156a8 [2020-04-18 20:10:42,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:10:42,796 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:10:42,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:42,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:10:42,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:10:42,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:42" (1/1) ... [2020-04-18 20:10:42,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f92f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:42, skipping insertion in model container [2020-04-18 20:10:42,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:10:42" (1/1) ... [2020-04-18 20:10:42,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:10:42,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:10:43,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:10:43,669 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:10:43,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:10:44,261 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:10:44,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44 WrapperNode [2020-04-18 20:10:44,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:10:44,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:10:44,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:10:44,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:10:44,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:10:44,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:10:44,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:10:44,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:10:44,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (1/1) ... [2020-04-18 20:10:44,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:10:44,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:10:44,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:10:44,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:10:44,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (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 20:10:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:10:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 20:10:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 20:10:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 20:10:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:10:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:10:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 20:10:44,491 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 20:10:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:10:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:10:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 20:10:44,493 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 20:10:45,277 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:10:45,278 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 20:10:45,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:10:45 BoogieIcfgContainer [2020-04-18 20:10:45,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:10:45,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:10:45,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:10:45,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:10:45,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:10:42" (1/3) ... [2020-04-18 20:10:45,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19af5b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:10:45, skipping insertion in model container [2020-04-18 20:10:45,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:10:44" (2/3) ... [2020-04-18 20:10:45,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19af5b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:10:45, skipping insertion in model container [2020-04-18 20:10:45,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:10:45" (3/3) ... [2020-04-18 20:10:45,292 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2020-04-18 20:10:45,303 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:10:45,303 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:10:45,313 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 20:10:45,315 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:10:45,351 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,351 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,352 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,352 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,352 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,353 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,353 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,353 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,353 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,353 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,354 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,354 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,354 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,354 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,355 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,355 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,355 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,355 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,356 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,356 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,356 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,357 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,357 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,357 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,357 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,358 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,358 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,358 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,358 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,359 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,359 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,359 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,359 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,360 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,360 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,360 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,361 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,361 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,361 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,361 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,362 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,362 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,362 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,362 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,362 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,363 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,363 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,363 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,363 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,364 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,364 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,364 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,364 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,365 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,365 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,365 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,365 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,366 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,366 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,366 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,366 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,367 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,367 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,367 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,367 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,368 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,368 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,368 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,368 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,369 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,375 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,375 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,375 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,375 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,376 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,376 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,376 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,376 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,377 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,377 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,378 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,378 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,385 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,385 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,386 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,386 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,387 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,387 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,388 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,388 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,388 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,388 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:10:45,420 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 20:10:45,442 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:10:45,442 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:10:45,442 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:10:45,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:10:45,443 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:10:45,443 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:10:45,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:10:45,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:10:45,461 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 336 flow [2020-04-18 20:10:46,109 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12659 states. [2020-04-18 20:10:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states. [2020-04-18 20:10:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:10:46,146 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:46,148 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:10:46,149 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:46,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:46,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1545263509, now seen corresponding path program 1 times [2020-04-18 20:10:46,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:46,167 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [289384104] [2020-04-18 20:10:46,186 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:46,197 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:10:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-04-18 20:10:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:10:46,201 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:46,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:46,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1545263509, now seen corresponding path program 2 times [2020-04-18 20:10:46,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:46,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417804054] [2020-04-18 20:10:46,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:46,877 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 20:10:46,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417804054] [2020-04-18 20:10:46,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:46,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:46,881 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:46,889 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:46,907 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:10:46,908 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:46,966 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:46,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:46,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:46,973 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 6 states. [2020-04-18 20:10:47,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:47,113 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2020-04-18 20:10:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2020-04-18 20:10:47,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:47,115 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [289384104] [2020-04-18 20:10:47,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:47,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:47,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [289384104] [2020-04-18 20:10:47,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:47,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:47,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:47,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:10:47,124 INFO L87 Difference]: Start difference. First operand 12659 states. Second operand 6 states. [2020-04-18 20:10:47,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:47,997 INFO L93 Difference]: Finished difference Result 16402 states and 46213 transitions. [2020-04-18 20:10:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 20:10:47,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 20:10:48,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:48,149 INFO L225 Difference]: With dead ends: 16402 [2020-04-18 20:10:48,150 INFO L226 Difference]: Without dead ends: 14327 [2020-04-18 20:10:48,154 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-04-18 20:10:48,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14327 states. [2020-04-18 20:10:48,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14327 to 11907. [2020-04-18 20:10:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11907 states. [2020-04-18 20:10:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11907 states to 11907 states and 33522 transitions. [2020-04-18 20:10:48,897 INFO L78 Accepts]: Start accepts. Automaton has 11907 states and 33522 transitions. Word has length 44 [2020-04-18 20:10:48,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:48,898 INFO L479 AbstractCegarLoop]: Abstraction has 11907 states and 33522 transitions. [2020-04-18 20:10:48,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 11907 states and 33522 transitions. [2020-04-18 20:10:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:10:48,902 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:48,903 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:10:48,903 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1440046740, now seen corresponding path program 1 times [2020-04-18 20:10:48,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:48,905 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1511862867] [2020-04-18 20:10:48,907 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:48,912 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:10:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-04-18 20:10:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 20:10:48,916 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:48,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:48,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1440046740, now seen corresponding path program 2 times [2020-04-18 20:10:48,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:48,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903025009] [2020-04-18 20:10:48,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:49,186 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 20:10:49,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903025009] [2020-04-18 20:10:49,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:49,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:49,188 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:49,303 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:49,314 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 20:10:49,314 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:49,360 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:49,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:49,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:49,361 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 6 states. [2020-04-18 20:10:49,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:49,478 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2020-04-18 20:10:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2020-04-18 20:10:49,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:49,479 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1511862867] [2020-04-18 20:10:49,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:49,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:49,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1511862867] [2020-04-18 20:10:49,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:49,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:49,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:49,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-04-18 20:10:49,482 INFO L87 Difference]: Start difference. First operand 11907 states and 33522 transitions. Second operand 6 states. [2020-04-18 20:10:50,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:50,333 INFO L93 Difference]: Finished difference Result 17449 states and 49086 transitions. [2020-04-18 20:10:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:10:50,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 20:10:50,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:50,404 INFO L225 Difference]: With dead ends: 17449 [2020-04-18 20:10:50,404 INFO L226 Difference]: Without dead ends: 17449 [2020-04-18 20:10:50,406 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-04-18 20:10:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17449 states. [2020-04-18 20:10:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17449 to 12745. [2020-04-18 20:10:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12745 states. [2020-04-18 20:10:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12745 states to 12745 states and 35856 transitions. [2020-04-18 20:10:50,971 INFO L78 Accepts]: Start accepts. Automaton has 12745 states and 35856 transitions. Word has length 44 [2020-04-18 20:10:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:50,972 INFO L479 AbstractCegarLoop]: Abstraction has 12745 states and 35856 transitions. [2020-04-18 20:10:50,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 12745 states and 35856 transitions. [2020-04-18 20:10:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:10:50,975 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:50,976 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:10:50,976 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:50,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:50,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1766584548, now seen corresponding path program 1 times [2020-04-18 20:10:50,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:50,977 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [118486259] [2020-04-18 20:10:50,978 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:50,979 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:10:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-04-18 20:10:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:10:50,980 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:50,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:50,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1766584548, now seen corresponding path program 2 times [2020-04-18 20:10:50,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:50,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203798069] [2020-04-18 20:10:50,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:51,141 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 20:10:51,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203798069] [2020-04-18 20:10:51,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:51,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:51,142 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:51,149 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:51,159 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:10:51,159 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:51,204 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:51,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:51,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:51,205 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 6 states. [2020-04-18 20:10:51,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:51,334 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2020-04-18 20:10:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2020-04-18 20:10:51,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:51,335 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [118486259] [2020-04-18 20:10:51,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:51,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:51,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [118486259] [2020-04-18 20:10:51,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:51,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:51,337 INFO L87 Difference]: Start difference. First operand 12745 states and 35856 transitions. Second operand 6 states. [2020-04-18 20:10:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:51,924 INFO L93 Difference]: Finished difference Result 16001 states and 44666 transitions. [2020-04-18 20:10:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 20:10:51,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 20:10:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:51,969 INFO L225 Difference]: With dead ends: 16001 [2020-04-18 20:10:51,969 INFO L226 Difference]: Without dead ends: 14207 [2020-04-18 20:10:51,970 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-04-18 20:10:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14207 states. [2020-04-18 20:10:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14207 to 13885. [2020-04-18 20:10:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13885 states. [2020-04-18 20:10:52,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13885 states to 13885 states and 39044 transitions. [2020-04-18 20:10:52,501 INFO L78 Accepts]: Start accepts. Automaton has 13885 states and 39044 transitions. Word has length 50 [2020-04-18 20:10:52,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:52,502 INFO L479 AbstractCegarLoop]: Abstraction has 13885 states and 39044 transitions. [2020-04-18 20:10:52,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 13885 states and 39044 transitions. [2020-04-18 20:10:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:10:52,505 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:52,506 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:10:52,506 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:52,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:52,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1496801726, now seen corresponding path program 1 times [2020-04-18 20:10:52,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:52,507 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2037243523] [2020-04-18 20:10:52,508 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:52,510 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:10:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-04-18 20:10:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 20:10:52,511 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:52,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1496801726, now seen corresponding path program 2 times [2020-04-18 20:10:52,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:52,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070560597] [2020-04-18 20:10:52,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:52,659 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 20:10:52,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070560597] [2020-04-18 20:10:52,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:52,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:52,660 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:52,669 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:52,681 INFO L259 McrAutomatonBuilder]: Finished intersection with 51 states and 50 transitions. [2020-04-18 20:10:52,681 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:52,731 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:10:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:52,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:52,732 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 6 states. [2020-04-18 20:10:52,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:52,889 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2020-04-18 20:10:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2020-04-18 20:10:52,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:10:52,889 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2037243523] [2020-04-18 20:10:52,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:10:52,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 20:10:52,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2037243523] [2020-04-18 20:10:52,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 20:10:52,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:10:52,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:52,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:10:52,891 INFO L87 Difference]: Start difference. First operand 13885 states and 39044 transitions. Second operand 6 states. [2020-04-18 20:10:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:53,655 INFO L93 Difference]: Finished difference Result 22965 states and 64350 transitions. [2020-04-18 20:10:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 20:10:53,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 20:10:53,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:10:53,739 INFO L225 Difference]: With dead ends: 22965 [2020-04-18 20:10:53,740 INFO L226 Difference]: Without dead ends: 22965 [2020-04-18 20:10:53,740 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 20:10:53,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22965 states. [2020-04-18 20:10:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22965 to 16172. [2020-04-18 20:10:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16172 states. [2020-04-18 20:10:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16172 states to 16172 states and 45616 transitions. [2020-04-18 20:10:54,223 INFO L78 Accepts]: Start accepts. Automaton has 16172 states and 45616 transitions. Word has length 50 [2020-04-18 20:10:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:10:54,223 INFO L479 AbstractCegarLoop]: Abstraction has 16172 states and 45616 transitions. [2020-04-18 20:10:54,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 20:10:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 16172 states and 45616 transitions. [2020-04-18 20:10:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-04-18 20:10:54,228 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:10:54,228 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:10:54,229 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:10:54,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:54,229 INFO L82 PathProgramCache]: Analyzing trace with hash -250884596, now seen corresponding path program 1 times [2020-04-18 20:10:54,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:10:54,230 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [961045266] [2020-04-18 20:10:54,231 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:54,235 INFO L259 McrAutomatonBuilder]: Finished intersection with 125 states and 196 transitions. [2020-04-18 20:10:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-04-18 20:10:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-04-18 20:10:54,237 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:10:54,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:54,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1241071238, now seen corresponding path program 2 times [2020-04-18 20:10:54,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:54,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835117270] [2020-04-18 20:10:54,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:10:54,391 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 20:10:54,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835117270] [2020-04-18 20:10:54,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:10:54,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 20:10:54,393 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:10:54,402 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:10:55,251 INFO L259 McrAutomatonBuilder]: Finished intersection with 121 states and 188 transitions. [2020-04-18 20:10:55,251 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:10:55,327 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 21 times. [2020-04-18 20:10:55,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 20:10:55,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 20:10:55,328 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 6 states. [2020-04-18 20:10:55,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:10:55,558 INFO L93 Difference]: Finished difference Result 137 states and 207 transitions. [2020-04-18 20:10:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2020-04-18 20:10:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-04-18 20:10:55,559 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:10:55,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:10:55,559 INFO L82 PathProgramCache]: Analyzing trace with hash -250884596, now seen corresponding path program 3 times [2020-04-18 20:10:55,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:10:55,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403305693] [2020-04-18 20:10:55,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:10:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:10:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 20:10:55,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 20:10:55,712 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 20:10:55,712 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 20:10:55,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:10:55 BasicIcfg [2020-04-18 20:10:55,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 20:10:55,816 INFO L168 Benchmark]: Toolchain (without parser) took 13034.67 ms. Allocated memory was 138.9 MB in the beginning and 594.0 MB in the end (delta: 455.1 MB). Free memory was 98.9 MB in the beginning and 423.5 MB in the end (delta: -324.6 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:55,820 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 20:10:55,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1465.26 ms. Allocated memory was 138.9 MB in the beginning and 238.6 MB in the end (delta: 99.6 MB). Free memory was 97.0 MB in the beginning and 170.9 MB in the end (delta: -73.9 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:55,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.71 ms. Allocated memory is still 238.6 MB. Free memory was 170.9 MB in the beginning and 167.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:55,824 INFO L168 Benchmark]: Boogie Preprocessor took 46.11 ms. Allocated memory is still 238.6 MB. Free memory was 167.9 MB in the beginning and 165.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:55,825 INFO L168 Benchmark]: RCFGBuilder took 863.15 ms. Allocated memory is still 238.6 MB. Free memory was 165.0 MB in the beginning and 116.4 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:55,829 INFO L168 Benchmark]: TraceAbstraction took 10522.55 ms. Allocated memory was 238.6 MB in the beginning and 594.0 MB in the end (delta: 355.5 MB). Free memory was 116.4 MB in the beginning and 423.5 MB in the end (delta: -307.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:10:55,836 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 138.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1465.26 ms. Allocated memory was 138.9 MB in the beginning and 238.6 MB in the end (delta: 99.6 MB). Free memory was 97.0 MB in the beginning and 170.9 MB in the end (delta: -73.9 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 110.71 ms. Allocated memory is still 238.6 MB. Free memory was 170.9 MB in the beginning and 167.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.11 ms. Allocated memory is still 238.6 MB. Free memory was 167.9 MB in the beginning and 165.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 863.15 ms. Allocated memory is still 238.6 MB. Free memory was 165.0 MB in the beginning and 116.4 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10522.55 ms. Allocated memory was 238.6 MB in the beginning and 594.0 MB in the end (delta: 355.5 MB). Free memory was 116.4 MB in the beginning and 423.5 MB in the end (delta: -307.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; VAL [t1={5:0}, t2={6:0}] [L1731] 0 return 0; VAL [t1={5:0}, t2={6:0}] [L1737] 0 int ret = my_drv_init(); VAL [t1={5:0}, t2={6:0}] [L1738] COND TRUE 0 ret==0 VAL [t1={5:0}, t2={6:0}] [L1739] 0 int probe_ret; VAL [t1={5:0}, t2={6:0}] [L1740] 0 struct my_data data; VAL [t1={5:0}, t2={6:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={5:0}, t2={6:0}] [L1708] 0 data->shared.a = 0 VAL [t1={5:0}, t2={6:0}] [L1709] 0 data->shared.b = 0 VAL [t1={5:0}, t2={6:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={5:0}, t2={6:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={5:0}, t2={6:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={2:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={2:24}, t1={5:0}, t2={6:0}] [L1715] 0 data->shared.a = 3 VAL [arg={2:24}, arg={2:24}, t1={5:0}, t2={6:0}] [L1696] 2 struct device *dev = (struct device*)arg; VAL [arg={2:24}, arg={2:24}, dev={2:24}, t1={5:0}, t2={6:0}] [L1697] 2 struct my_data *data; VAL [arg={2:24}, arg={2:24}, dev={2:24}, t1={5:0}, t2={6:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, dev={2:24}, t1={5:0}, t2={6:0}] [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1716] 0 data->shared.b = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1700] 2 data->shared.a = 1 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1717] 0 data->shared.a VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 1069 SDtfs, 1509 SDslu, 3063 SDs, 0 SdLazy, 697 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16172occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 14239 StatesRemovedByMinimization, 4 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 proved your program to be incorrect! Received shutdown request...